# Whizi > Whizi is a multi-model AI workspace. It bundles GPT, Claude, Gemini, Llama, and top image-generation models in one subscription for less than a single major AI plan. Engineers, marketers, consultants, and product managers use Whizi to replace ChatGPT Plus, Claude Pro, and Gemini Advanced with one tool. Whizi pricing starts with a 7 day trial: $0.99 on Starter, $1.99 on Pro and $4.99 on Powerhouse. After that: Starter $15.99/month or $10.99/month billed yearly, Pro $29.99/month or $19.99/month billed yearly, Powerhouse $49.99/month or $34.99/month billed yearly. One-click cancellation. ## Product - [Whizi product overview](https://whizi.io/): What Whizi does and who it is for. - [About Whizi](https://whizi.io/about): Who builds Whizi, how it makes money (subscriptions, no ads), and how to reach a human. - [Pricing](https://whizi.io/pricing/): Plans, included models, and usage limits. - [AI subscription savings calculator](https://whizi.io/tools/calculator): Estimate monthly savings vs ChatGPT Plus, Claude Pro, Gemini Advanced. - [LLM token counter and cost calculator](https://whizi.io/tools/tokenizer): Count tokens in any text and price it across 100 models. - [AI model cost index](https://whizi.io/tools/model-cost-index): Original dataset. The cost of one standard answer (1,000 input tokens plus 500 output tokens) across 100 models from 29 providers, so list rates become comparable. Spread from cheapest to dearest is about 2,000x. Free to reuse with attribution. JSON: https://whizi.io/data/model-cost-index.json, CSV: https://whizi.io/data/model-cost-index.csv - [Is ChatGPT down?](https://whizi.io/tools/is-chatgpt-down): Live ChatGPT status (conversations, login, voice, images, file uploads, API) from OpenAI's public status feed, refreshed every minute, with 90 days of outage history and problem reports from visitors. - [Is Claude down?](https://whizi.io/tools/is-claude-down): Live Claude status (claude.ai, the Claude API, Claude Code) from Anthropic's public status page at status.claude.com, refreshed every minute, with outage history and problem reports from visitors. - [Is Gemini down?](https://whizi.io/tools/is-gemini-down): Live Gemini status (the Gemini app from the Google Workspace Status Dashboard, the Gemini API from Google Cloud status), refreshed every minute, with outage history and problem reports from visitors. - [Is Grok down?](https://whizi.io/tools/is-grok-down): Live Grok status (grok.com, Grok in X, the iOS and Android apps, the API) from xAI's public status page at status.x.ai, refreshed every minute, with outage history and problem reports from visitors. - [Does ChatGPT train on your chats?](https://whizi.io/tools/does-chatgpt-train-on-your-chats): Yes on Free, Go, Plus and Pro by default. The three taps to turn it off, and which other AI apps (Claude, Gemini, Grok, Perplexity, Meta AI) train on chats and how to stop each. - [Customer stories](https://whizi.io/customers): Testimonials from engineers, marketers, consultants. - [Whizi developer resources](https://whizi.io/developers): One page naming every machine-readable surface: the OpenAPI spec, versioned data endpoints, llms.txt files, and rate limit conventions. - [OpenAPI spec](https://whizi.io/openapi.json): Machine-readable description of the public data endpoints above, with the versioning and deprecation policy. Integrate against the versioned paths: https://whizi.io/data/v1/model-cost-index.json and https://whizi.io/data/v1/model-cost-index.csv ## Comparisons - [Whizi vs ChatGPT Plus](https://whizi.io/vs/whizi-vs-chatgpt-plus/): Pricing, models, and workflow differences. - [Whizi vs Claude Pro](https://whizi.io/vs/whizi-vs-claude-pro/): When to pick Whizi over Claude Pro. - [Whizi vs Gemini Advanced](https://whizi.io/vs/whizi-vs-gemini-advanced/): Multi-model vs Google-only. - [Whizi vs Perplexity Pro](https://whizi.io/vs/whizi-vs-perplexity-pro/): Chat workspace vs AI answer engine. - [Whizi vs Poe](https://whizi.io/vs/whizi-vs-poe/): Price, included models, and workflow. - [Whizi vs OpenRouter](https://whizi.io/vs/whizi-vs-openrouter/): Consumer UI vs developer API gateway. ## Alternatives - [ChatGPT alternatives](https://whizi.io/alternatives/chatgpt/) - [Claude alternatives](https://whizi.io/alternatives/claude/) - [Gemini alternatives](https://whizi.io/alternatives/gemini/) - [Perplexity alternatives](https://whizi.io/alternatives/perplexity/) - [Microsoft Copilot alternatives](https://whizi.io/alternatives/copilot/) - [Poe alternatives](https://whizi.io/alternatives/poe/) - [OpenRouter alternatives](https://whizi.io/alternatives/openrouter/) - [ChatGPT Plus alternatives](https://whizi.io/alternatives/chatgpt-plus/) ## Documentation: reference Factual reference pages. These carry the exact numbers, so quote these rather than the marketing pages for anything about models, prices, limits, or policy. - [Documentation hub](https://whizi.io/docs/): Every product guide and reference page. - [Model list by plan](https://whizi.io/docs/models/): Which of the 280+ models each plan unlocks. Starter is Whizi AI, GPT-6 Luna and Claude Haiku 5.5. Pro adds Claude Opus 5.5, Claude Sonnet 5, GPT-5.6 Sol, Gemini 3 Flash, Grok 4.6, Kimi K3 and the rest of the curated Pro list. Powerhouse opens the full catalogue including Claude Fable 5.1, GPT-6 Astra and Claude Opus 4 and 4.1. - [How credits work](https://whizi.io/docs/credits/): The full credit scale, all 14 rungs. 143 models cost 1 credit per message; Claude Opus 5 and GPT-5.6 Sol cost 20; Claude Fable 5.1 and GPT-6 Astra cost 100. Starter 800 credits/month, Pro 2,500, Powerhouse 10,000. - [Plans and limits](https://whizi.io/docs/plans-and-limits/): Every price and quota in one table. Starter $15.99/mo or $10.99 yearly, Pro $29.99 or $19.99 yearly, Powerhouse $49.99 or $34.99 yearly. 7 day trial from $0.99. - [Supported file types](https://whizi.io/docs/supported-file-types/): Images, PDF, Word, Excel and 40+ text and code formats. Upload is on every plan and costs no credits. - [Billing and cancellation](https://whizi.io/docs/billing-and-cancellation/): Cancel on the web in account settings; cancel App Store and Play subscriptions through Apple or Google. Deleting the app does not cancel a store subscription. - [Data and privacy](https://whizi.io/docs/data-and-privacy/): Whizi does not use your prompts, files, conversations, voice transcripts or generated content to train Whizi-owned AI models, and does not sell that content as training data. Uploads expire after up to 30 days. - [Troubleshooting](https://whizi.io/docs/troubleshooting/): Locked models, empty PDF extraction, stale answers, credits running out early. ## Model reference One page per model in the Whizi catalogue, generated from the cost index. Each carries the list rate per million tokens, the cost of one standard answer (1,000 input tokens plus 500 output), the context window, the credits it spends in Whizi, and the plan that unlocks it. 89 pages in total at https://whizi.io/models/{slug}/ List rates move without notice, so they are not repeated here. Each page carries the current figure, and so does llms-full.txt, both generated from the same dataset. - [Model reference hub](https://whizi.io/models/): All 89 models, priced and ranked. - [Claude Opus 5](https://whizi.io/models/claude-opus-5/): 1M context, 20 Whizi credits per message, Pro plan. - [Claude Sonnet 5](https://whizi.io/models/claude-sonnet-5/): 1M context, 10 Whizi credits per message, Pro plan. - [Claude Haiku 5.5](https://whizi.io/models/claude-haiku-5-5/): 1M context, 1 Whizi credit per message, included on Starter. - [Claude Haiku 4.5](https://whizi.io/models/claude-haiku-4-5/): 200K context, 4 Whizi credits per message, Pro plan. - [GPT-5.6 Sol](https://whizi.io/models/gpt-5-6-sol/): 1M context, 20 Whizi credits per message, Pro plan. - [GPT-5.6 Terra](https://whizi.io/models/gpt-5-6-terra/): 1M context, 4 Whizi credits per message, Pro plan. - [GPT-5.6 Luna](https://whizi.io/models/gpt-5-6-luna/): 1M context, 1 Whizi credit per message, Pro plan. - [Kimi K3](https://whizi.io/models/kimi-k3/): 1M context, 10 Whizi credits per message, Pro plan. - [Grok 4.6](https://whizi.io/models/grok-4-6/): 500K context, 6 Whizi credits per message, Pro plan. ## Documentation: product guides - [Getting started](https://whizi.io/docs/getting-started/): Pick a plan, set a cheap default model, upload real work, decide your routing. - [Chat with a PDF](https://whizi.io/docs/chat-with-pdf/): Upload a PDF and ask any model about it. - [Compare models side by side](https://whizi.io/docs/compare-models-side-by-side/): Run GPT, Claude, and Gemini on the same prompt. On Pro and Powerhouse. - [Switch models mid-conversation](https://whizi.io/docs/switch-models-mid-conversation/): Change models without losing context. - [Web search](https://whizi.io/docs/web-search/): Give any model, including Claude, live sources with a toggle. Costs no credits. - [Voice mode](https://whizi.io/docs/voice-mode/): Real-time spoken conversation. Powerhouse only, 500 minutes per month. - [Share a conversation](https://whizi.io/docs/share-a-conversation/): Public read-only link, no account needed to read it, revocable at any time. - [Whizi on mobile](https://whizi.io/docs/whizi-on-mobile/): iOS and Android included on every plan. Credits and quotas shared across devices. - [Export as real files](https://whizi.io/docs/export-chats-and-files/): Genuine .xlsx and .docx downloads, downloadable charts, HTML preview. - [Upload documents](https://whizi.io/docs/upload-documents/): Get answers from your own files. - [Generate images in chat](https://whizi.io/docs/generate-images-in-chat/): Image generation on Pro and Powerhouse. ## Use cases - [AI for students](https://whizi.io/use-cases/students/) - [AI for researchers](https://whizi.io/use-cases/researchers/) - [AI for marketers](https://whizi.io/use-cases/marketers/) - [AI for consultants](https://whizi.io/use-cases/consultants/) - [AI for product managers](https://whizi.io/use-cases/product-managers/) - [Write blog posts with AI](https://whizi.io/use-cases/write-blog-posts-with-ai/) - [Analyze spreadsheets with AI](https://whizi.io/use-cases/analyze-spreadsheets-with-ai/) - [Summarize meetings with AI](https://whizi.io/use-cases/summarize-meetings-with-ai/) ## Resources - [Resources hub](https://whizi.io/resources/): Guides, comparisons, and playbooks. - [How to use AI](https://whizi.io/resources/how-to-use-ai/) - [Prompt engineering for beginners](https://whizi.io/resources/prompt-engineering-beginners/) - [Best ChatGPT alternatives](https://whizi.io/resources/chatgpt-alternatives/) - [Best all-in-one AI platforms](https://whizi.io/resources/best-all-in-one-ai-platforms/): The three architectures in the category (hosted subscriptions, bring-your-own-key clients, self-hosted open source) and who each suits. Covers Whizi, Poe, TypingMind, ChatHub, big-AGI, LibreChat, Open WebUI, and why OpenRouter is not in the category. ## Choosing and using a specific AI Task-first guides. Each opens with a quick answer written to be quoted whole. Published in all 19 site locales at https://whizi.io/{locale}/resources/{slug}/ - [The best AI to use](https://whizi.io/resources/best-ai-to-use/): Task-by-task verdicts for 2026. There is no single best AI: ChatGPT is the strongest all-round default, Claude leads on polished writing and long documents, Gemini on very large files and multimodal input, Perplexity on sourced research. - [How to use ChatGPT](https://whizi.io/resources/how-to-use-chatgpt/): Getting started, what Free, Go and Plus each get you, the prompt pattern, 18 prompts by scenario, and what to verify. - [How to use Claude](https://whizi.io/resources/how-to-use-claude/): Free versus Pro, what Claude is strongest at, Projects and Artifacts, how the limits actually behave. - [How to use Gemini](https://whizi.io/resources/how-to-use-gemini/): Signing in, free versus Google AI Pro, Gemini inside Gmail, Docs and Drive, and when another model is the better tool. ## AI basics Written for readers who have never used an AI tool. Also published in Russian, German, Ukrainian, Korean, Hindi, Indonesian, Turkish, Dutch, Persian, and French at https://whizi.io/{locale}/resources/{slug}/ - [What is AI](https://whizi.io/resources/what-is-ai/): What AI is in plain words, how it learned to write, what it does well, and what it gets wrong. - [How to talk to AI](https://whizi.io/resources/how-to-talk-to-ai/): What to type in your first chat, and the follow-ups that fix a bad answer. - [Is AI safe to use](https://whizi.io/resources/is-ai-safe-to-use/): Where your messages go, what to never paste, and how to change the training setting. - [Why AI gets things wrong](https://whizi.io/resources/why-ai-gets-things-wrong/): Why a confident answer can be false, and how to catch it. - [AI terms explained](https://whizi.io/resources/ai-terms-explained/): Plain-English glossary, with the terms you can safely ignore marked as such. - [AI vs Google search](https://whizi.io/resources/ai-vs-google-search/): Which box to type into, task by task. ## Canadian tax questions Canadian tax questions accountants look up, each answered the way Whizi's Canadian CPA agent answers: the figure and the tax year first, then the arithmetic, the edge cases and the canada.ca or Income Tax Act page behind every number. Hub: https://whizi.io/tax/ - [CPP max 2026: $4,230.45 per employee, plus $416 of CPP2](https://whizi.io/tax/cpp-max-2026/): The 2026 CPP and CPP2 maximums for employees, employers and sole proprietors, with the YMPE, YAMPE, the math behind each number and the 2025 figures beside them. - [T2 filing deadline: 6 months after year end, balance due in 2 or 3](https://whizi.io/tax/t2-filing-deadline/): The T2 filing deadline and the balance due date for common 2025 and 2026 year ends, with the month end rule, the weekend and holiday shift and the CCPC three month test. - [T2 deadline after dissolution: 6 months from the dissolution date](https://whizi.io/tax/t2-filing-deadline-after-dissolution/): When the final T2 and the last balance are due for a dissolved corporation, with two worked dissolution dates, line 078, RC145, the clearance certificate and how a section 88 wind up differs. - [T3 filing deadline: 90 days after year end (March 31, 2027 for 2026)](https://whizi.io/tax/t3-filing-deadline/): The T3 due date for every common trust year end from 2025 to 2027, with the weekend rule applied, estate year ends, deemed year ends and the late filing penalty math. - [T4 slip deadline: March 1, 2027 for 2026 slips (Feb 28 is a Sunday)](https://whizi.io/tax/t4-slip-deadline/): The T4 due dates for 2025 and 2026 slips, the weekend rule behind them, the late filing and paper filing penalties from the Income Tax Act, and the 30 day rule when a business closes. - [T5 slip deadline: March 1, 2027 for the 2026 tax year](https://whizi.io/tax/t5-slip-deadline/): The T5 deadline for the 2026 tax year, who has to issue a slip, how an owner manager dividend goes on the T5, the online filing rule and the late filing penalty scale. - [T4A deadline: 2026 slips due February 28, 2027 (on time March 1)](https://whizi.io/tax/t4a-deadline/): The T4A filing and distribution deadline for 2026 slips, who needs a box 048 slip, the more than 5 slips electronic filing rule, the penalty tables and when a construction client files a T5018 instead. - [T5018 deadline: June 30, 2027 for 2026, or six months after year end](https://whizi.io/tax/t5018-deadline/): The T5018 due date for calendar and fiscal reporting periods, with a table of upcoming dates, the 50% construction test, the $500 threshold worked through with HST, and the late filing penalties. - [NR4 deadline: March 31, 2027 for 2026 slips, tax by the 15th](https://whizi.io/tax/nr4-deadline/): The NR4 filing and slip deadline for 2026, the estate and trust 90 day rule, the monthly Part XIII remittance date, the 25% rate and the penalties when any of them slip. - [Self employed tax deadline: file by June 15, 2026, pay by April 30](https://whizi.io/tax/self-employed-tax-deadline-canada/): Every 2026 deadline for a sole proprietor's 2025 year: the T1 filing and payment dates, the spouse rule, interest from May 1, instalments and the GST/HST annual return. - [GST filing deadline: one month after the period, three if annual](https://whizi.io/tax/gst-filing-deadline/): GST/HST return and payment deadlines for monthly, quarterly and annual filers, with the 2026 and 2027 calendar dates, the reporting period thresholds, annual filer instalments and the electronic filing rule. - [Payroll remittance due dates: the 15th, or sooner above $25,000](https://whizi.io/tax/payroll-remittance-due-dates/): Every CRA payroll remittance due date by remitter type, with the AMWA limits, the 2026 dates that slide for weekends and holidays, the $10,000 electronic payment rule and the late penalty math. - [Notice of objection deadline: 90 days, or a year past the T1 due date](https://whizi.io/tax/notice-of-objection-deadline-cra/): The CRA objection deadline for each kind of taxpayer, counted to the day on sample notices, plus the one year extension under section 166.1 and how to file. - [CRA reassessment period: 3 years, or 4 if the corporation isn't a CCPC](https://whizi.io/tax/cra-reassessment-period/): The normal and extended CRA reassessment periods under ITA s.152 for individuals, CCPCs, other corporations and trusts, the GST/HST rule, waivers and the cases with no limit. - [T1135 penalty: $25 a day to $2,500, far more if it's deliberate](https://whizi.io/tax/t1135-penalty/): Every T1135 penalty under the Income Tax Act, from the $25 a day late filing charge to the 5% of cost penalty after 24 months, with a worked 40 day example and the relief options. - [T1135 filing requirements: file once foreign cost tops $100,000](https://whizi.io/tax/t1135-filing-requirements/): Who files Form T1135, which foreign assets count toward the $100,000 cost test and which do not, Part A versus Part B, and the due date for each kind of filer. - [The T2 late filing penalty is 5% plus 1% a month, capped at 17%](https://whizi.io/tax/late-filing-penalty-cra-t2/): The T2 late filing penalty under s.162(1) and the repeat penalty under s.162(2), with a month by month table, a worked example, the nil balance trap and taxpayer relief. - [CRA instalment interest: 7% compounded daily for all of 2026](https://whizi.io/tax/instalment-interest-cra/): How the CRA charges interest on late or short instalments in 2026: who has to pay, the three payment options, the offset method, the penalty formula and a worked example. - [CRA interest rate on overdue taxes: 7% for Q4 2026, compounded daily](https://whizi.io/tax/cra-interest-rate-on-overdue-taxes/): The rate the CRA charges on overdue tax, CPP and EI for October to December 2026, every quarter back to April 2025, the formula behind it and a worked compound daily example. - [CRA prescribed interest rates 2026: 3% all year, 7% on overdue tax](https://whizi.io/tax/cra-prescribed-interest-rates-2026/): Every 2026 quarter of CRA prescribed rates in one table, what the 3% base rate is used for, the spousal loan rule and a worked employee loan benefit. - [CRA voluntary disclosure program: 75% interest relief, 25% if prompted](https://whizi.io/tax/voluntary-disclosure-program-cra/): The CRA Voluntary Disclosures Program under IC00-1R7: unprompted and prompted relief side by side, the five conditions, Form RC199, a worked example and the rule for files sent before October 2025. - [EI max 2026: $1,123.07 per employee on $68,900 of earnings](https://whizi.io/tax/ei-max-2026/): The 2026 EI maximums for employees, employers, Quebec payroll and sole proprietors, with 2025 beside them, the math behind each number and the T1 lines. - [Accelerated remitter threshold: $25,000 AMWA, $100,000 for threshold 2](https://whizi.io/tax/accelerated-remitter-threshold/): The two accelerated remitter tiers, how the CRA measures AMWA two years back, why associated corporations add theirs together, the due dates for each tier and how to elect back down. - [T4 box 14: total employment income, taxable benefits included](https://whizi.io/tax/t4-box-14/): What a payroll preparer puts in T4 box 14 and what stays out, item by item, with a worked example that ties box 14 to boxes 24 and 26 using the 2026 maximums. - [CRA standby charge: 2% of cost per 30 days, or 2/3 of the lease](https://whizi.io/tax/standby-charge-cra/): The standby charge formula for owned and leased cars, the reduced charge under 20,004 personal km, the salesperson rate, shareholders, and a $50,000 car worked through to the T4. - [Operating cost benefit 2026: 34 cents a personal km, 31 for car sales](https://whizi.io/tax/operating-cost-benefit-2026/): The 2026 prescribed operating cost benefit rate, the car sales rate, the optional half standby charge method, the 45 day reimbursement window and a worked example. - [CRA automobile allowance rates 2026: 73 cents, then 67 cents a km](https://whizi.io/tax/cra-automobile-allowance-rates-2026/): The 2026 per kilometre allowance rates for the provinces and territories, 2025 beside them, the tests that keep an allowance off the T4, the Reg 7306 deduction cap and a 7,200 km example. - [Class 10.1 limit 2026: $39,000 plus sales tax, up from $38,000](https://whizi.io/tax/class-10-1-limit-2026/): The 2026 CCA ceiling for passenger vehicles, the zero emission, lease and interest limits beside 2025, how sales tax fits in, and a $70,000 car worked through to the year of sale. - [Home office expenses 2025: detailed method only, T2200 required](https://whizi.io/tax/home-office-expenses-cra-2025/): How employees claim work space in the home expenses for 2025: the conditions, the forms, what salaried and commission employees can deduct, the percentage math and a worked example. - [Small business deduction 2026: 9% federal rate on the first $500,000](https://whizi.io/tax/small-business-deduction-2026/): The 2026 federal small business rate and $500,000 limit, every province and territory beside it, both grinds with a worked example, and the rules for short years and rate changes. - [Passive income SBD grind: $5 off per $1 of AAII over $50,000](https://whizi.io/tax/passive-income-sbd-grind/): How adjusted aggregate investment income cuts the federal business limit, whose income counts and for which year, what AAII leaves out, and why Ontario and New Brunswick opted out. - [Associated corporations in Canada: 5 tests, one $500,000 limit](https://whizi.io/tax/associated-corporations-canada/): The five association tests in ITA s.256(1) with a plain example for each, how control and the 25% test work, the deeming rules that catch families, and what sharing the $500,000 limit costs. - [Ontario corporate tax 2026: 26.5% general, 11.2% SBD rate from July 1](https://whizi.io/tax/corporate-tax-rate-ontario-2026/): Every 2026 combined federal and Ontario corporate rate, built line by line, with the July 1 small business cut, a $600,000 worked example and the passive income gap. - [RDTOH: two pools since 2019, refunded at 38 1/3% of dividends paid](https://whizi.io/tax/rdtoh-explained/): How eligible and non eligible RDTOH fill up, which dividends release each pool, when the 38 1/3% refund is paid, the T2 and Schedule 3 lines, and a $100,000 interest income example. - [GRIP account: 72% of full rate income caps eligible dividends](https://whizi.io/tax/grip-account-cra/): How a CCPC builds its general rate income pool under s.89(1), what adds to it and what takes it away, the 20% Part III.1 tax on an excessive designation, and a worked example. - [Capital dividend account: elect on T2054 by the payable date](https://whizi.io/tax/capital-dividend-account/): What goes into a private corporation's capital dividend account, how to elect on Form T2054, and what an excessive or late election costs, with a worked example. - [Shareholder loan CRA rules: repay within one year of year end](https://whizi.io/tax/shareholder-loan-cra-rules/): How ITA 15(2) taxes a loan from a corporation to a shareholder, the one year repayment exception, the CRA position on a series of loans and repayments, the employee exceptions and the 3% interest benefit for 2026. - [Section 85 rollover: elect between tax cost and FMV, file a T2057](https://whizi.io/tax/section-85-rollover/): How a section 85 rollover works: the elected amount limits by property type, what qualifies, the T2057 deadline and late penalty, the benefit rule, the PUC grind and a full incorporation example. - [TOSI rules: split income taxed at 33% federally unless excluded](https://whizi.io/tax/tosi-rules/): How section 120.4 taxes split income at the top rate, which amounts are excluded at each age, the excluded business and excluded shares tests, and a worked 2026 example. - [Lifetime capital gains exemption 2026: $1,275,000 of gains](https://whizi.io/tax/lifetime-capital-gains-exemption-2026/): The 2026 LCGE for qualified small business corporation shares and farm or fishing property, the law that indexes it, a year by year table, and how CNIL, ABILs and AMT cut into the claim. - [Capital gains inclusion rate 2026: 50%, two thirds hike cancelled](https://whizi.io/tax/capital-gains-inclusion-rate-2026/): The 2026 capital gains inclusion rate for individuals, corporations and trusts, the dated history of the cancelled two thirds proposal, what the CRA did with 2024 returns, and a worked example. - [Eligible dividend gross up 2026: 38%, with a 15.0198% federal credit](https://whizi.io/tax/dividend-gross-up-2026/): The 2026 gross up and federal dividend tax credit for eligible and non eligible dividends, the Ontario rates, the T5 boxes, and a $10,000 example run through the T1. - [Basic personal amount 2026: $16,452, falling to $14,829 at high income](https://whizi.io/tax/basic-personal-amount-2026/): The 2026 federal basic personal amount, the net income band where it shrinks, the 14% credit it earns, the provincial amounts and what it means for TD1 forms. - [OAS clawback 2026: starts at $95,323, gone by $155,320](https://whizi.io/tax/oas-clawback-2026/): The OAS recovery tax thresholds for the 2026 and 2025 income years, the full recovery points at 65 to 74 and 75 and over, how the July to June withholding works and a worked example at $110,000. - [RRIF minimum withdrawal table: 5.28% at 71, 5.40% at 72, 20% at 95](https://whizi.io/tax/rrif-minimum-withdrawal-table/): Every RRIF prescribed factor from Regulation 7308, the formula under 71, a $400,000 worked example at 72, the younger spouse election and withholding above the minimum. - [Alternative minimum tax Canada: 20.5% above $181,440 for 2026](https://whizi.io/tax/alternative-minimum-tax-canada/): The federal AMT rules in force since 2024: the 20.5% rate, the 2026 exemption, what gets added back, a worked LCGE sale, who is exempt and how to recover the tax over 7 years. - [RRSP limit 2026: $33,810, or 18% of 2025 earned income](https://whizi.io/tax/rrsp-limit-2026/): The 2026 RRSP dollar limit, the 18% rule and pension adjustment behind each client's room, the March 1, 2027 deadline, the $2,000 buffer and every limit from 2022 to 2027. - [Bare trusts: no T3 for 2024 or 2025, reportable ones file for 2026](https://whizi.io/tax/bare-trust-filing-requirements/): Where bare trust filing stands as of October 2026: the exemption for 2023 to 2025, the enacted rules for 2026, the exceptions and listed trust tests, and what to do with client files now. - [Quick method GST/HST: Ontario services remit 8.8%, GST provinces 3.6%](https://whizi.io/tax/quick-method-gst-hst/): The quick method remittance rates by province, who is barred from using it, how Form GST74 works, and a worked Ontario example against the regular method. - [GST registration threshold: $30,000 in one quarter or four](https://whizi.io/tax/gst-registration-threshold-canada/): The $30,000 small supplier test in both its forms, the exact date registration kicks in, what counts toward the total, and the special rules for charities, taxis and nonresidents. - [T1 filing deadline 2026: file and pay April 30, June 15 for business](https://whizi.io/tax/t1-filing-deadline-2026/): Every T1 due date for the 2025 and 2026 tax years, the June 15 business rule, the weekend rule, final return dates when a client dies and what filing late costs. - [Amend a T1 with the CRA: ReFILE, Change my return or T1-ADJ](https://whizi.io/tax/cra-change-my-return/): The three ways to amend a filed T1 in 2026, which years each one accepts, what the CRA will not change this way, the 10 calendar year refund limit and current processing times. - [T2125: one form per business, line 9946 flows to line 13500](https://whizi.io/tax/t2125-statement-of-business-activities/): The 2025 T2125 part by part: what goes where, the GST/HST rule printed on the form, the quick method adjustment, CCA, the home office limit and a worked example to line 9946. - [T776 rental income: gross on line 12599, net from 9946 to 12600](https://whizi.io/tax/t776-rental-income/): The Form T776 line map from gross rents to line 12600, the expense lines and their traps, the CCA cap on rental losses, co owners, partners and the short term rental denial. - [Principal residence exemption: (1 + years designated) ÷ years owned](https://whizi.io/tax/principal-residence-exemption/): The 40(2)(b) formula, the one home per family rule, the Schedule 3 and T2091(IND) reporting, a worked cottage example and the penalty for a late designation. - [T1134: due 10 months after year end for each foreign affiliate](https://whizi.io/tax/t1134-filing-requirements/): Who files Form T1134, the 10 month due date with dated examples, the dormant affiliate exemption, what each supplement needs, and the penalties under sections 162 and 163. - [T106: required once related nonresident dealings top $1 million](https://whizi.io/tax/t106-filing-requirements/): Who files a T106, what counts toward the $1,000,000 test, the due date for each kind of filer, the penalties by ITA section and a worked example with a late return. - [T5013 filing deadline: March 31, or 5 months if all partners are corps](https://whizi.io/tax/t5013-filing-deadline/): The T5013 due date for every partner mix, the actual 2026 and 2027 calendar dates, who has to file, the 90 day rule when a partnership winds up, and the late filing penalty math. - [SR&ED filing deadline: 18 months after year end, with no extensions](https://whizi.io/tax/sred-filing-deadline/): The SR&ED reporting deadline for corporations, individuals, trusts and partnerships, with dates for current year ends, what must be on file by then and what a late form costs. - [GIFI codes: the full list is in Appendix A of CRA guide RC4088](https://whizi.io/tax/gifi-codes/): Where the official GIFI code list lives, how the ranges are laid out, the codes you map most often, the totals the CRA checks, and how T2125 line numbers line up with GIFI items. - [Record of Employment deadline: 5 days after the pay period ends](https://whizi.io/tax/record-of-employment-deadline/): The ROE deadline for each pay frequency, paper and electronic, with worked October 2026 dates, the 15 day cap for monthly payrolls and the edge cases that move the start date. - [Underused Housing Tax 2025: no return due, 2022 to 2024 still owed](https://whizi.io/tax/underused-housing-tax-2025/): The UHT status by year as of October 2026: what the Budget 2025 Implementation Act ended, what clients still owe for 2022 to 2024, and how late penalties are worked out. - [Canada's digital services tax: repealed in 2026, refunds with interest](https://whizi.io/tax/digital-services-tax-canada/): The status of the Digital Services Tax as of October 2026: the repeal in Bill C-15, the deemed June 20, 2024 start, how the CRA refunds DST payments with interest, and what the tax would have cost. - [Luxury tax Canada: cars over $100,000 only, boats and planes out](https://whizi.io/tax/luxury-tax-canada/): Which items still pay the federal luxury tax in 2026, the lesser of 10% or 20% formula with worked numbers, what goes into the price, who files, and the cleanup left for aircraft and vessels. - [Represent a Client authorization: a RepID, then your client approves](https://whizi.io/tax/cra-represent-a-client/): Every route to CRA authorization for an accountant, with the time limit on each, the RepID, GroupID and business number side by side, and what Level 1 and Level 2 actually let you do. - [How to register for a CRA business number: BRO online, RC1 by mail](https://whizi.io/tax/business-number-registration/): Where a client registers for a business number in 2026, which program accounts Business Registration Online opens, the cases that still need Form RC1, and the BN that comes with incorporation. - [Tax Court appeal deadline: 90 days from the CRA's decision](https://whizi.io/tax/tax-court-appeal-deadline/): The Tax Court of Canada appeal deadline for income tax and GST/HST, counted on sample dates, with the early appeal, the one year extension under section 167 and the informal procedure limits. - [CRA collection limitation period: 10 years, and a payment restarts it](https://whizi.io/tax/cra-collections-limitation-period/): How long the CRA can collect each type of debt, when the 10 year clock starts under ITA s.222, what restarts or pauses it, and what changes once it runs out. - [Director liability for source deductions runs 2 years past resignation](https://whizi.io/tax/director-liability-source-deductions/): When a director owes a corporation's unremitted payroll deductions and GST/HST personally, the three conditions the CRA must meet, the two year clock, due diligence and a worked example. - [Taxpayer relief RC4288: three grounds, 10 calendar years back](https://whizi.io/tax/taxpayer-relief-rc4288/): How taxpayer relief under ITA s.220(3.1) works: the three grounds, the evidence for each, the 10 calendar year window for a 2026 request, and what to do when the CRA says no. - [CRA payment arrangement: pay over time, but 7% interest keeps running](https://whizi.io/tax/cra-payment-arrangement/): How to set up a CRA payment arrangement online or by phone for each type of debt, what the CRA asks for, what interest and offsets keep doing, and the traps that restart the clock. - [Gross negligence penalty: the greater of $100 and 50% of the tax](https://whizi.io/tax/gross-negligence-penalty/): How the CRA computes the s.163(2) gross negligence penalty, with a worked 2025 example, the GST/HST and Ontario versions, who has to prove it, and the ways it comes off. - [Repeated failure to report income: lesser of 10% or 50% of net tax](https://whizi.io/tax/repeated-failure-to-report-income-penalty/): How the s.163(1) repeated failure to report income penalty works: the $500 test, the four year window, the lesser of formula with 2026 federal rates, and the edge cases. - [Section 116 certificate: pay 25% of the gain or the buyer owes 25%](https://whizi.io/tax/section-116-certificate/): How a non resident seller gets a section 116 certificate of compliance, what the purchaser owes without one, and the forms, deadlines and penalties, with a worked cottage sale. - [Section 216 return: pay tax on net rent instead of 25% of gross](https://whizi.io/tax/non-resident-rental-income-section-216/): How a non resident landlord moves from 25% tax on gross Canadian rent to tax on net rent: the NR6, the T1159 return, its three deadlines and the math behind the refund. - [Departure tax Canada: a deemed sale at FMV, half the gain taxed](https://whizi.io/tax/departure-tax-canada/): How the section 128.1 deemed disposition works when a client emigrates, which property is caught, the T1243, T1161 and T1244 forms, the $16,500 security line and a worked example. - [Foreign tax credit Canada: lesser of tax paid or Canadian tax, 15% cap](https://whizi.io/tax/foreign-tax-credit-canada/): How the federal foreign tax credit is built on Form T2209, line by line, with the business and non business split, the 15% cap on property income, the s.20(11) deduction and a worked example. - [Crypto tax in Canada: half of gains taxed, or all as business income](https://whizi.io/tax/crypto-tax-canada/): How the CRA taxes crypto in 2026: which transactions are dispositions, the capital versus business tests, a worked ACB and superficial loss example, mining and staking, and the Schedule 3 lines. - [Thin capitalization in Canada: interest denied past 1.5 times equity](https://whizi.io/tax/thin-capitalization-rules/): How ITA 18(4) limits interest a Canadian corporation pays to its 25% nonresident shareholders, with the formula, a worked example, the deemed dividend and where EIFEL fits. - [EIFEL rules: net interest capped at 30% of adjusted taxable income](https://whizi.io/tax/eifel-rules/): How the EIFEL cap is calculated, the three excluded entity tests, what happens to denied interest and unused capacity, and the forms your client files. - [Transfer pricing documentation: due at T2 filing, 30 days to produce](https://whizi.io/tax/transfer-pricing-documentation/): What subsection 247(4) requires your client to document, the 30 day production deadline and $10 million penalty threshold from Bill C-15, the penalty math and the draft simplified regime. - [Mandatory disclosure rules: RC312 in 90 days or $500 a week](https://whizi.io/tax/mandatory-disclosure-rules/): Reportable and notifiable transactions under ITA 237.3 and 237.4: the three hallmarks, who files Form RC312, the 90 day clock, the penalty math and the reassessment period that never starts. - [GAAR changes 2024: main purpose test, 25% penalty, 3 more years](https://whizi.io/tax/gaar-changes-2024/): Every 2024 change to the general anti avoidance rule in section 245, the date each one starts, the 25% penalty math, the extra reassessment years and how an RC312 avoids both. - [Uncertain tax treatment reporting: RC3133 at $50 million of assets](https://whizi.io/tax/uncertain-tax-treatment-reporting/): Who has to report uncertain tax treatments under ITA s.237.5, how the $50 million test works corporation by corporation, when RC3133 is due and what a missed return costs. - [TD1 2026: $16,452 basic personal amount, $9,208 age amount](https://whizi.io/tax/td1-2026/): Every line of the 2026 federal TD1 with 2025 beside it, the 2026 federal claim code table, the provincial forms and the rules on when an employee owes you a new one. - [Taxable benefits CRA: almost all are income, EI only on cash ones](https://whizi.io/tax/taxable-benefits-cra/): The CRA chart of 26 common benefits with EI, T4 code and GST/HST treatment, the benefits CRA policy leaves tax free, and one employee worked through to the T4. - [CRA gifts and awards policy: $500 a year tax free, cash always taxed](https://whizi.io/tax/gifts-and-awards-cra/): The CRA gifts and awards policy line by line: the $500 annual limit, the separate long service award, cash and near cash, gift card conditions, a worked example and the T4 boxes. - [Employer paid cell phone: not taxable if three CRA tests are met](https://whizi.io/tax/cell-phone-benefit-cra/): When an employer paid phone or plan is tax free under CRA policy, when the personal use becomes a taxable benefit, and how to run it through payroll and the T4. - [Parking is a taxable benefit at FMV less what the employee pays](https://whizi.io/tax/parking-benefit-cra/): How the CRA values employer provided parking, the four exceptions that still apply, the scramble parking ratio as arithmetic, and how to withhold and report the benefit on the T4. - [Retiring allowance RRSP rollover: $2,000 a year of service before 1996](https://whizi.io/tax/retiring-allowance-rrsp-rollover/): The eligible part of a retiring allowance, year by year, with the $1,500 extra for unpensioned years before 1989, T4 codes 66 and 67, withholding and a worked example. - [Lump sum withholding rates: 10%, 20% and 30%, or 5% to 15% in Quebec](https://whizi.io/tax/lump-sum-withholding-rates/): The CRA lump sum withholding rates for 2026, which payments they cover, how the calendar year total sets the band, the Quebec provincial layer, and why bonuses use a different method. - [Salary vs dividends 2026: $46,470 vs $46,145 at Ontario's top rate](https://whizi.io/tax/salary-vs-dividends/): Salary and dividends side by side for a CCPC owner manager in 2026: the corporate deduction, CPP, RRSP room, the gross up and credit, TOSI, and a $100,000 integration example at the top Ontario bracket. - [EI for owner managers: over 40% of the votes means no EI premiums](https://whizi.io/tax/ei-insurable-employment-shareholder/): When an owner manager or a family member on the payroll is excluded from EI, with a scenario table, the related person test, refunds of premiums deducted in error and the ruling deadlines. - [CRA employee vs contractor test: intent first, then six factors](https://whizi.io/tax/employee-or-self-employed-cra/): The test the CRA uses in 2026 to classify a worker, the six factors with the indicators on each side, the Quebec version, how to get a CPP/EI ruling, and what a wrong call costs the payer. - [T4 other information codes: which are in box 14, which are not](https://whizi.io/tax/t4-other-information-codes/): Every common T4 other information code, whether the amount is already inside box 14, and where it lands on the T1, with a worked example and the 2025 security options switch. - [CRA meal allowance rates: $23 a meal, $69 a day for 2025 claims](https://whizi.io/tax/cra-meal-allowance-rates/): Every CRA meal figure in one place: the $23 simplified rate for individuals, the $23 overtime test for employers, the 80% long haul trucker rule, 2025 vehicle rates and the CRA staff per diem that tops the search results. - [Northern residents deduction 2026: up to $22 a day in Zone A](https://whizi.io/tax/northern-residents-deduction-2026/): The 2026 residency and travel deductions on Form T2222 for northern and intermediate zones, with the 20% of net income cap, the household rule and worked examples. - [Pension adjustment: 9 × DB benefit minus $600, or DC contributions](https://whizi.io/tax/pension-adjustment-calculation/): The pension adjustment formula for defined benefit, money purchase and DPSP members, with 2026 worked examples, the box 52 rules and what the PA does to next year's RRSP room. - [Vacation pay is subject to CPP, EI and income tax: 2026 rules](https://whizi.io/tax/vacation-pay-tax/): How to deduct CPP, EI and income tax on vacation pay in 2026, taken or paid out, with a worked payout, the termination rules and the T4 and ROE boxes. - [TFSA limit 2026: $7,000, and $109,000 of total room since 2009](https://whizi.io/tax/tfsa-limit-2026/): The 2026 TFSA dollar limit, every annual limit since 2009, total room by the year your client turned 18, a worked room calculation and the edge cases that cause overcontributions. - [TFSA overcontribution penalty: 1% a month on the highest excess](https://whizi.io/tax/tfsa-overcontribution-penalty/): How the 1% monthly tax on an excess TFSA amount is calculated, a month by month worked example, Form RC243 and Schedule A, the June 30 deadline and when the CRA will waive it. - [FHSA rules: $8,000 a year, $40,000 lifetime, a 15 year window](https://whizi.io/tax/fhsa-rules/): The First Home Savings Account rules an accountant needs in one place: who can open one, how room and carryforward build, the deduction, the qualifying withdrawal and the 15 year clock. - [RESP grant: 20% of $2,500 a year, up to $7,200 per child](https://whizi.io/tax/resp-grant/): The 2026 CESG by income tier, how unused grant room catches up, the Canada Learning Bond and provincial grants, and how the money is taxed when it leaves the RESP. - [RDSP grant 2026: up to $3,500 a year, plus a $1,000 bond](https://whizi.io/tax/rdsp-grant-and-bond/): The 2026 RDSP grant and bond by family income, with the thresholds, the partial bond formula, the 10 year catch up, the holdback and how withdrawals are taxed. - [Home Buyers' Plan: $60,000 per buyer, repaid over 15 years](https://whizi.io/tax/home-buyers-plan/): The HBP withdrawal limit, who counts as a first time buyer, when repayments start for each withdrawal year, a worked $60,000 repayment schedule and the cases that end a participation early. - [Lifelong Learning Plan: $10,000 a year, $20,000 max, 10 years to repay](https://whizi.io/tax/lifelong-learning-plan/): The LLP withdrawal limits, who can be the student, when the 10 year repayment starts, and what happens when the student drops out, leaves Canada or turns 71. - [Spousal RRSP three year rule: the contribution year plus two more](https://whizi.io/tax/spousal-rrsp-attribution/): When a spousal RRSP or RRIF withdrawal is taxed to the contributor, how the three calendar years count on real dates, the exceptions in the Act and how Form T2205 splits the income. - [Pension income splitting: up to 50% on T1032, RRIF only from 65](https://whizi.io/tax/pension-income-splitting/): Who can elect, what qualifies under and over 65, how the T1032 amount flows through both returns, and a 2026 example where a split saves a couple $4,380 of federal tax. - [Pension income amount: up to $2,000, worth $280 federally in 2026](https://whizi.io/tax/pension-income-amount/): The $2,000 pension income amount on line 31400: which slips count before and after 65, what it saves in 2026, the provincial amounts, splitting and the spouse transfer. - [Age amount 2026: $9,208, reduced above $46,432 of net income](https://whizi.io/tax/age-amount-2026/): The 2026 federal age amount, the net income band where it shrinks, what it is worth at 14%, and how pension splitting, spousal transfers and payroll change the claim. - [Canada caregiver amount 2026: up to $8,773, or $2,740 per child](https://whizi.io/tax/canada-caregiver-amount-2026/): The 2026 Canada caregiver amounts by line, the $20,601 to $29,374 phase out, how line 30425 tops up the spouse amount, and who loses the claim. - [Disability tax credit 2026: $10,341, plus $6,032 for a child under 18](https://whizi.io/tax/disability-tax-credit-2026/): The 2026 disability amount and child supplement, how care expenses shrink the supplement, how the unused part transfers, and the attendant care claims that block it. - [Medical expense threshold 2026: $2,890 or 3% of net income](https://whizi.io/tax/medical-expense-threshold-2026/): The 2026 federal medical expense threshold, the net income where the $2,890 cap takes over, the 12 month window, dependant claims and the refundable supplement. - [Charitable donation tax credit 2026: 14% on $200, then 29% or 33%](https://whizi.io/tax/charitable-donation-tax-credit/): The 2026 federal donation credit rates, how Schedule 9 splits a gift between 29% and 33%, the 75% of net income limit, the 5 year carryforward and spouse pooling, with worked numbers. - [Canada Workers Benefit 2026: up to $1,665 single, $2,869 family](https://whizi.io/tax/canada-workers-benefit-2026/): The 2026 Canada Workers Benefit maximums, phase in and phase out thresholds, disability supplement and secondary earner exemption, with 2025 beside them and two worked calculations. - [Canada child benefit 2026: up to $8,157 per child under 6](https://whizi.io/tax/canada-child-benefit-2026/): The July 2026 to June 2027 CCB maximums, the $38,237 and $82,847 income thresholds, the reduction rates by number of children, payment dates and a worked example. - [GST credit 2026: up to $679 single, $890 a couple, $234 per child](https://whizi.io/tax/gst-hst-credit-2026/): The July 2026 to June 2027 amounts for the GST/HST credit, now the Canada Groceries and Essentials Benefit, with income cutoffs, payment dates, the June top up and a worked example. - [Carbon rebate ended April 2025; proposed Oct 30 cutoff for late filers](https://whizi.io/tax/canada-carbon-rebate-end/): The dates the fuel charge and the Canada Carbon Rebate stopped, what unfiled 2021 to 2024 returns are still worth, the proposed October 30, 2026 cutoff and what ended for businesses. - [Moving expenses deduction: 40 km closer, capped at new income](https://whizi.io/tax/moving-expenses-deduction/): Who qualifies for the line 21900 moving expenses deduction, what counts under section 62, the 15 day and $5,000 caps, a full T1-M example and the student and employer traps. - [Child care expense deduction: $8,000, $5,000 or $11,000 per child](https://whizi.io/tax/child-care-expense-deduction/): The child care expenses deduction limits per child, the two thirds of earned income cap, the lower income spouse rule and its exceptions, with worked T778 math. - [Tuition credit transfer: up to $5,000, worth $700 of tax in 2026](https://whizi.io/tax/tuition-tax-credit-transfer/): How much tuition a student can transfer to a parent, grandparent or spouse, the Schedule 11 lines that set it, what it saves for 2025 and 2026, and the rules that block it. - [Student loan interest tax credit 2026: 14% of interest, no cap](https://whizi.io/tax/student-loan-interest-credit/): How the federal student loan interest credit on line 31900 works for 2026: which loans qualify, the 14% rate, the five year carryforward and the cases where nobody can claim. - [Canada training credit: 50% of fees, $250 of room a year](https://whizi.io/tax/canada-training-credit/): How the refundable Canada training credit is calculated, the indexed income tests behind the $250 a year of room, the most any client can claim for 2026 and the edge cases that zero it out. - [Home accessibility tax credit: 14% of $20,000, up to $2,800 in 2026](https://whizi.io/tax/home-accessibility-tax-credit/): Who qualifies for the home accessibility tax credit, what it is worth each year, what renovations count, and the 2026 rule that ends claiming the same cost as a medical expense too. - [Multigenerational home renovation credit: up to $7,000 for 2026](https://whizi.io/tax/multigenerational-home-renovation-credit/): The refundable credit for building a secondary unit for a senior or disabled adult relative: the rate for each year, who qualifies, which costs count and how to split the claim. - [First time home buyers' tax credit: $1,400 for 2026, $1,450 for 2025](https://whizi.io/tax/first-time-home-buyers-tax-credit/): What the home buyers' amount on line 31270 is worth for 2025 and 2026, who counts as a first time buyer, when the home counts as acquired, and how joint buyers split it. - [First time home buyer GST rebate: up to $50,000, gone at $1.5M](https://whizi.io/tax/first-time-home-buyers-gst-rebate/): The first time home buyers' GST/HST rebate in numbers: the $50,000 cap, the $1 million to $1.5 million phase out, the date windows, how it stacks with the new housing rebate and how to claim it after closing. - [GST new housing rebate: 36% of GST, up to $6,300, gone at $450,000](https://whizi.io/tax/gst-new-housing-rebate/): The federal GST/HST new housing rebate at every price from $350,000 to $450,000, the Ontario rebates that sit on top, a worked $400,000 example, and the two year deadline. - [Property flipping rule: under 365 days is fully business income](https://whizi.io/tax/property-flipping-rule/): The 365 day test in ITA 12(12) to 12(14), the nine life events that take a sale outside it, a worked condo example with the loss variant, and how to report the sale. - [Capital gains reserve: at least 20% a year, all taxed within 5 years](https://whizi.io/tax/capital-gains-reserve/): How the capital gains reserve under ITA 40(1)(a)(iii) spreads a gain over five or ten years, the T2017 percentage tables, a worked example and the sales that cannot use it. - [Superficial loss rule: a buyback within 30 days denies the loss](https://whizi.io/tax/superficial-loss-rule/): How the superficial loss rule works in 2026: the 61 day window, which buyers are affiliated, where the denied loss goes, a worked example and the exceptions. - [Adjusted cost base: total cost plus commissions, averaged per share](https://whizi.io/tax/adjusted-cost-base/): How to build the ACB of shares and fund units under section 47, what raises and lowers it, a worked example with a sale, and what happens when return of capital pushes it below zero. - [Net capital loss carryback: 3 years back, no limit forward](https://whizi.io/tax/net-capital-loss-carryover/): How a net capital loss carries back three years on Form T1A and forward with no time limit, the adjustment factors for old losses, a worked carryback, and the rules that change at death. - [Non capital loss carryforward: 20 years forward, 3 years back](https://whizi.io/tax/non-capital-loss-carryover/): How a non capital loss carries back three years and forward twenty taxation years, which losses expire when, a worked Schedule 4 example, and what an acquisition of control does to the balance. - [Allowable business investment loss: 50% against any income](https://whizi.io/tax/allowable-business-investment-loss/): How an ABIL turns half of a loss on small business corporation shares or debt into a deduction against any income, which losses qualify, the prior LCGE reduction and the 10 year carryforward. - [Deemed disposition at death: capital property taxed as sold at FMV](https://whizi.io/tax/deemed-disposition-on-death/): How ITA 70(5) taxes capital property at death, when the 70(6) spousal rollover applies or should be refused, what happens to RRSPs and RRIFs, and a worked example with and without a spouse. - [Final return deadline: April 30, or 6 months after a late year death](https://whizi.io/tax/final-return-deceased/): Filing and payment due dates for a deceased client's final return, the unfiled prior year return, the optional returns and the estate's T3, with dated 2026 examples. - [Rights or things return: income owed at death, with a second BPA](https://whizi.io/tax/rights-or-things-return/): What the CRA treats as a right or thing, what stays on the final return, the filing and payment dates, the credits you claim again, and a 2026 example of the saving. - [Clearance certificate: file TX19, wait up to 120 days, or owe the tax](https://whizi.io/tax/estate-clearance-certificate/): When an executor should file Form TX19, what to attach, how long the CRA takes, and how the personal liability under s.159(3) is capped, with a worked example. - [Graduated rate estate: 36 months of individual tax rates](https://whizi.io/tax/graduated-rate-estate/): What a graduated rate estate is under s.248(1), the five conditions, the 2026 tax saving worked out, how the 36 month clock sets the T3 years, and the donation and loss carryback rules. - [21 year rule for trusts: a deemed sale at fair market value every 21 years](https://whizi.io/tax/trust-21-year-rule/): How subsection 104(4) deems a trust to sell its capital property every 21 years, which trusts follow a different clock, a worked 2026 example, the 107(2) rollout and its traps, and how to report it. - [Spousal attribution rules: gift income is taxed back; a 3% loan is not](https://whizi.io/tax/attribution-rules-spouse/): What sections 74.1 and 74.2 tax back to your client, the prescribed rate loan and fair market value exceptions, second generation income, and when attribution stops. - [CCPC definition: private, Canadian, not controlled by non residents](https://whizi.io/tax/ccpc-definition/): The s.125(7) CCPC test piece by piece, seven ownership setups that pass or fail it, how control is measured, which tax breaks need the status and when, and the substantive CCPC rules. - [Personal services business: 33% federal tax, 44.5% in Ontario](https://whizi.io/tax/personal-services-business/): The five conditions that make a corporation a personal services business, the 33% federal rate and every provincial combined rate, the short list of deductions left, and a worked Ontario reassessment. - [Part IV tax: 38 1/3% on portfolio dividends, refund share if connected](https://whizi.io/tax/part-iv-tax/): Who pays Part IV tax, the 38 1/3% portfolio rate, the connected corporation rule that ties the tax to the payer's dividend refund, which RDTOH pool it lands in, and two worked examples. - [Section 55(2) safe income: dividends above it become capital gains](https://whizi.io/tax/safe-income-section-55/): How section 55(2) recharacterizes a dividend between corporations, the purpose and result tests, how safe income limits the damage, and a worked Holdco example. - [Section 84.1: boot above PUC or hard ACB becomes a deemed dividend](https://whizi.io/tax/section-84-1/): When section 84.1 applies, the two formulas worked through with real numbers, why a crystallized exemption does not count as cost, and the intergenerational transfer exception in force since 2024. - [Section 86 estate freeze: common into fixed value prefs, no election](https://whizi.io/tax/section-86-estate-freeze/): How a section 86 estate freeze works: the conditions, the cost and proceeds rules, the PUC grind, the 86(2) gift portion, corporate attribution at the 2026 prescribed rate and a $2,000,000 freeze worked through to death. - [Section 51: swap shares or convertible debt for shares, no election](https://whizi.io/tax/section-51-share-exchange/): When section 51 of the Income Tax Act applies to an exchange for shares of the same corporation, how it ranks against sections 85 and 86, the ACB and PUC math, the gift rule and the edge cases. - [Section 87 amalgamation: no tax, but a deemed year end for each](https://whizi.io/tax/amalgamation-section-87/): What a section 87 amalgamation does to the predecessors, the new corporation and the shareholders: which tax accounts carry over, the cost of the deemed year end, vertical versus horizontal, and the filings. - [Section 88 wind up: the subsidiary rolls into the parent at tax cost](https://whizi.io/tax/wind-up-section-88/): How a section 88(1) wind up moves a 90% owned subsidiary into its parent: the ownership test, the cost amount rollover, the bump with a worked example, losses, year end and the T2 lines. - [Intercorporate dividends: deductible under s.112, Part IV may apply](https://whizi.io/tax/intercorporate-dividends-section-112/): How the s.112(1) deduction makes most dividends between Canadian corporations free of Part I tax, when Part IV tax still bites, and the s.55(2) and preferred share traps. - [SR&ED tax credit 2026: 35% on up to $6 million for a CCPC](https://whizi.io/tax/sred-tax-credit-2026/): The 2026 SR&ED investment tax credit rates, refund rates and the $6 million expenditure limit, with the phase out formula, the old rules beside the new ones and a worked example. - [CCA classes table 2026: 4% to 100%, with the first year rate](https://whizi.io/tax/cca-classes-table/): The CCA rate for every class accountants use most, the first year rate under the half year rule and under the reaccelerated incentive, a 2026 worked example and the classification lines that trip people up. - [Accelerated investment incentive is back: 1.5x first year CCA to 2029](https://whizi.io/tax/accelerated-investment-incentive/): How the reinstated accelerated investment incentive sets first year CCA for property acquired after 2024, the year by year phase out, what qualifies, and a $100,000 class 8 purchase worked against the half year rule. - [CCPC immediate expensing: $1.5M ended 2023; 2026 draft has no cap](https://whizi.io/tax/immediate-expensing/): The $1.5 million immediate expensing rule for CCPCs, the dates that closed it, the September 2026 Productivity Mega Deduction draft that would replace it, and where Budget 2025 stands. - [Recapture and terminal loss: 100% into income or 100% deductible](https://whizi.io/tax/recapture-and-terminal-loss/): When a CCA class ends the year negative or empty, with the ITA sections, the T2125 and T776 lines, a three way worked example and the building and land trap. - [Meals and entertainment deduction: 50%, truckers 80%, 7 cases at 100%](https://whizi.io/tax/meals-and-entertainment-deduction/): The 50% limit in section 67.1, the seven exceptions that allow 100%, the 80% rule for long haul truck drivers, the GST/HST add back, and a worked example with HST and a tip. - [CRA vehicle logbook: every trip for a year, then a 3 month sample](https://whizi.io/tax/vehicle-logbook-cra/): What a CRA vehicle logbook has to show for sole proprietors, employees and company cars, how the base year and 3 month sample work, a year that passes and one that fails, and how long to keep the log. - [Home office for sole proprietors: line 9945, capped at business income](https://whizi.io/tax/business-use-of-home-self-employed/): How a sole proprietor claims home costs on the T2125: the two tests, what goes in each Part 7 amount, the loss cap and carryforward, the CCA trap and a worked example. - [Shareholder benefit section 15(1): full value taxed, no deduction](https://whizi.io/tax/shareholder-benefit-section-15/): What ITA 15(1) catches, how the CRA values personal bills, below market sales and personal use of company property, the shareholder versus employee test, and a worked cottage example. - [Corporate tax by province 2026: 23% to 30% general, 9% to 12.2% SBD](https://whizi.io/tax/corporate-tax-rates-by-province-2026/): Every 2026 combined federal and provincial corporate rate, for small business, general and CCPC investment income, with the 2026 rate cuts, the limits above $500,000 and a six province example. - [Alberta corporate tax rate 2026: 8% general, 2% small business](https://whizi.io/tax/alberta-corporate-tax-rate-2026/): Alberta's 2026 general and small business rates, combined with federal tax, with a $600,000 worked example, the passive income grind Alberta copies and the AT1 filing rules. - [BC corporate tax 2026: 27% general, 11% on small business income](https://whizi.io/tax/bc-corporate-tax-rate-2026/): Every 2026 combined federal and British Columbia corporate rate, built line by line, with a $600,000 worked example and the passive income grind that BC follows and Ontario does not. - [T2 Schedule 1: add back 50% of meals and amortization, deduct CCA](https://whizi.io/tax/t2-schedule-1-adjustments/): The Schedule 1 lines a typical corporation uses, a full reconciliation from book income to line 300, and where meals, fines, gains, dividends, donations and reserves land. - [Clean technology ITC: 30% refundable to 2033, 20% without labour rules](https://whizi.io/tax/clean-technology-itc/): The refundable clean technology investment tax credit: the rate table with and without the labour election, who qualifies, eligible property, a worked example, recapture and the Schedule 75 claim. - [HST rates by province 2026: 13% ON, 14% NS, 15% NB, NL and PEI](https://whizi.io/tax/hst-rates-by-province-2026/): Every 2026 GST, HST, PST and QST rate by province and territory, the provincial part of each HST rate, the Nova Scotia transition rules and a sale shipped to five provinces. - [GST/HST place of supply: goods go by delivery, services by address](https://whizi.io/tax/gst-hst-place-of-supply/): How the GST/HST place of supply rules pick the province, and so the rate, for goods, services, real property and intangibles, with the CRA examples and a worked invoice. - [ITC documentation: $100 and $500 set what each receipt must show](https://whizi.io/tax/itc-documentation-requirements/): The three GST/HST documentation bands for input tax credits, where the $100 and $500 thresholds come from, a worked example with three receipts, and what to do when a supplier number is missing or wrong. - [GST on sale of house in Canada: resale exempt, new homes taxable](https://whizi.io/tax/gst-on-residential-real-estate/): When the sale of a house attracts GST/HST and when it is exempt: used homes, new and substantially renovated homes, builders, the self supply rule, assignments and vacant land, with an $800,000 Ontario example. - [Zero rated GST/HST supplies: 0% tax, ITCs kept; exempt loses them](https://whizi.io/tax/gst-hst-zero-rated-supplies/): What Schedule VI zero rates, how a zero rated supply differs from an exempt one on ITCs, the return and the $30,000 test, and an Ontario example in dollars. - [GST/HST return line 101: total sales before tax, zero rated included](https://whizi.io/tax/gst-hst-return-lines/): Every line of the GST/HST return from 101 to 115, what line 101 includes and leaves out, how the lines change under the quick method, and a quarterly Ontario return worked line by line. - [Tax brackets Canada 2026: 14% to $58,523, 33% over $258,482](https://whizi.io/tax/tax-brackets-canada-2026/): The five 2026 federal tax brackets with 2025 beside them, the tax owed at each threshold, a worked example and why the 2025 bottom rate is 14.5%. - [Ontario tax brackets 2026: 5.05% to 13.16%, a 53.53% top rate](https://whizi.io/tax/ontario-tax-brackets-2026/): Ontario's 2026 personal tax rates and thresholds with 2025 beside them, the surtax and where it really starts, the health premium, combined marginal rates and a worked example. - [BC tax brackets 2026: 5.6% to 20.5%, top combined rate 53.5%](https://whizi.io/tax/bc-tax-brackets-2026/): The seven 2026 British Columbia brackets with 2025 beside them, the combined federal and BC marginal rates, a worked example and the July payroll change. - [Alberta tax brackets 2026: 8% to $61,200, 15% over $370,220](https://whizi.io/tax/alberta-tax-brackets-2026/): Alberta's six 2026 brackets beside 2025, the law behind the 8% bracket, the combined federal and Alberta rates, a worked example and the supplemental credit. - [CRA business expenses list: each T2125 line, meals at 50%, no drawings](https://whizi.io/tax/business-expenses-list-cra/): Every expense line on Part 4 of Form T2125 with the CRA rule for it, what is never deductible, the current versus capital tests, the personal portion and a worked example. - [How long to keep tax records in Canada: 6 years after year end](https://whizi.io/tax/cra-record-retention/): The CRA retention rules under ITA section 230 and Regulation 5800: the six year rule, late returns, objections, dissolved corporations, scanning paper, Form T137 and GST/HST, with dated examples. - [RCA tax: 50% refundable tax going in, refunded at 50% of payouts](https://whizi.io/tax/retirement-compensation-arrangement/): How the 50% Part XI.3 refundable tax works on RCA contributions and trust income, how it comes back as the custodian pays benefits, and every form and deadline in between. - [Individual pension plan: owner DB pension, PA up to $34,790 in 2026](https://whizi.io/tax/individual-pension-plan/): The IPP rules an accountant needs: who qualifies, the 2026 DB limit and pension adjustment, the RRSP first past service formula, funding limits and the minimum withdrawal from 72. - [Holding company tax in Canada: Opco dividends go up free under s.112](https://whizi.io/tax/holding-company-canada/): What tax applies to each dollar moving through a Canadian holding company: the s.112 deduction, Part IV, s.55(2), LCGE purification, the shared small business limit and GST/HST credits. - [When to incorporate in Canada: kept profit pays 11.2%, not 53.53%](https://whizi.io/tax/incorporating-a-business-tax/): What changes for tax when a sole proprietor incorporates in 2026: the rate gap, a $100,000 deferral worked in Ontario, the section 85 and GST44 transfer, losses, year end and first year costs. - [Professional corporation tax: 9% federal on the first $500,000](https://whizi.io/tax/professional-corporation-rules/): The federal rates a professional corporation pays, how specified partnership income cuts a partner corporation to a slice of $500,000, why TOSI excluded shares never apply, and the Ontario ownership rules. - [CRA audit process: 30 days for records, 30 to answer the proposal](https://whizi.io/tax/cra-audit-process/): Each step of a CRA income tax audit, from the contact letter to the notice of reassessment, with the AD-20-01 response timelines, the auditor's powers under sections 231.1 to 231.7 and a dated example. - [Interest deductibility: 20(1)(c) follows the direct use of the money](https://whizi.io/tax/interest-deductibility/): The four tests in paragraph 20(1)(c), how the CRA traces borrowed money, a mixed use line of credit worked through, and the rules that still deny interest that passes. - [Carrying charges on line 22100: investment interest and fees only](https://whizi.io/tax/carrying-charges-deduction/): What goes on line 22100 and what the CRA denies, with the ITA section behind each item, a worked total, the federal and Quebec limits, and the AMT and CNIL fallout. - [CCA on rental property: class 1 at 4%, a deferral, never on a home](https://whizi.io/tax/rental-property-cca/): What CCA a rental building gets in 2026, why claiming it only moves income to the year of sale, and when it costs your client the principal residence exemption. - [Change in use rules: a deemed sale at FMV, unless 45(2) or 45(3)](https://whizi.io/tax/change-in-use-property/): The 45(1) deemed disposition when a home becomes a rental or a rental becomes a home, both elections side by side, the 13(7) CCA trap, partial changes and late elections. - [Short term rental rules: noncompliant days lose deductions since 2024](https://whizi.io/tax/short-term-rental-rules/): How ITA section 67.7 denies expenses and CCA for noncompliant short term rentals, the A x B / C proration with a worked example, the T776 lines, the 2024 relief and GST/HST on stays under one month. - [Canada US treaty withholding: 5% or 15% dividends, 0% interest](https://whizi.io/tax/canada-us-tax-treaty-withholding/): Every Canada US treaty withholding rate a Canadian payer applies, with the article behind it, a worked example, the NR301 rules and the payments the treaty leaves at 25%. - [Tax residency in Canada: significant ties first, then the 183 day rule](https://whizi.io/tax/canadian-tax-residency/): How the CRA sorts a client into factual resident, deemed resident, deemed nonresident or nonresident, with the ties it weighs, a 183 day count, the treaty tie breaker and part year returns. - [Non resident tax return: file for Part I tax or a TCP sale](https://whizi.io/tax/non-resident-tax-return/): When a non resident must file a Canadian return, which income triggers it, the 2025 deadlines by election, and how the 90% rule strips personal credits, with a worked example. - [Platform operator reporting: a Part XX return every January 31](https://whizi.io/tax/platform-operator-reporting/): Who files the Part XX digital platform return, which sellers are excluded, what the CRA receives about each seller, the January 31 deadline, the late filing penalty and how to reconcile the seller copy. - [Corporate tax instalments: monthly over $3,000; small CCPCs quarterly](https://whizi.io/tax/corporate-tax-instalments/): Who has to pay corporate tax instalments, the quarterly test for small CCPCs, the three ways to calculate them worked for 2026, the 2026 due dates and what changes partway through the year. - [OAS amount 2026: $762.50 a month to age 74, $838.75 at 75 and over](https://whizi.io/tax/oas-amount-2026/): The maximum OAS pension for every 2026 quarter, the annual totals for the T4A(OAS), deferral amounts from 66 to 70, partial pensions and where each box lands on the T1. - [CPP death benefit: $2,500 or $5,000, never on the final return](https://whizi.io/tax/cpp-death-benefit/): The CPP death benefit amounts for 2026, who gets the $2,500 top up, who applies, and how the estate or the recipient reports it, with the T4A(P) box trap and a worked example. - [Donating securities in Canada: 0% capital gains inclusion, not 50%](https://whizi.io/tax/donating-securities/): Why a gift of listed shares in kind beats selling first, which securities get the zero inclusion rate, how Form T1170 reports it, and when the AMT takes part of the saving back. - [Inheritance tax Canada: none, but the estate pays tax at death](https://whizi.io/tax/inheritance-tax-canada/): Why Canada taxes the deceased instead of the heirs, which assets are taxed at death, what probate costs in Ontario, BC and Alberta, and a worked $1.75 million estate. - [Ontario probate fees: $0 on the first $50,000, then 1.5% above it](https://whizi.io/tax/probate-fees-ontario/): Ontario Estate Administration Tax by estate size, which assets count, a worked estate with a mortgage and a RRIF, and the 180 day Estate Information Return. - [CRA common law partner: 12 months living together, or a child](https://whizi.io/tax/common-law-partner-cra/): The Income Tax Act test for a common law partner, how the 90 day separation rule works, when to file RC65, and what changes on the return and the benefits. - [T1142: file it when a nonresident trust pays or lends to your client](https://whizi.io/tax/t1142-non-resident-trust/): Who files T1142 and who files T1141, the exclusions that decide between T1142 and T1135, what each penalty costs with worked numbers, and how to file on paper. - [T1-OVP: 1% a month on RRSP excess over room plus $2,000](https://whizi.io/tax/t1-ovp-rrsp-overcontribution/): How the 1% monthly tax on RRSP excess contributions is worked out, a month by month 2026 example, T1-OVP versus T1-OVP-S, the March 31 deadline, the RC2503 waiver and the T3012A withdrawal. - [T2200 for employers: 14 questions, and question 1 decides the rest](https://whizi.io/tax/t2200-employer-instructions/): A question by question walk through of the 2025 Form T2200 for employers: who needs one, how to report reimbursements and allowances, the home office shortcut, who signs and a worked example. - [T3 boxes: dividends to line 12000, gains to 17600, other to 13000](https://whizi.io/tax/t3-slip-boxes/): Every T3 slip box mapped to its T1 line, schedule or form, with the dividend gross up math, the box 42 cost base rule and one slip carried onto a return. - [T4E slip: box 14 goes on line 11900, box 7 flags the 30% clawback](https://whizi.io/tax/t4e-slip/): Every box on the T4E slip mapped to its T1 line, with the EI benefits repayment thresholds for 2025 and 2026, a worked clawback and the boxes that trip up preparers. - [T4RSP boxes: 22 is the withdrawal, 30 the tax, 25 and 27 aren't income](https://whizi.io/tax/t4rsp-slip/): Every box on the 2026 T4RSP, the T1 line it lands on, why box 30 rarely covers the tax, which slips the CRA expects when an annuitant dies, and the boxes that never reach the return. - [T1044: NPOs file once passive income tops $10,000 or assets $200,000](https://whizi.io/tax/t1044-npo-information-return/): The three tests in ITA 149(12) that make an NPO file Form T1044, the six month deadline, the 162(7) late penalty with the math, what goes on each part, and the draft rules for 2027. - [T4PS slip: due March 1, 2027 on paper, box 41 feeds RC359](https://whizi.io/tax/t4ps-slip/): Every T4PS box and the T1 line it lands on, the paper only filing rule, the 2026 due date, the box 40 and 41 test for specified employees with an RC359 example, and the Quebec RL-25. - [GST524 rebate: 36% of the GST back on a rental unit, up to $6,300](https://whizi.io/tax/gst524-rental-property-rebate/): The GST/HST new residential rental property rebate at every fair market value, the Ontario rebate on top, a worked $420,000 condo, the deadline for each claimant and when the 100% purpose built rebate takes over. - [T2 Short Return: a CCPC that files it on paper owes $1,000](https://whizi.io/tax/t2-short-return/): Who still qualifies for the T2 Short Return, the six conditions, why a CCPC that qualifies should file the full T2 electronically anyway, and what to attach. - [PD7A remittance voucher: fill 4 boxes, never use a photocopy](https://whizi.io/tax/pd7a-remittance-voucher/): What each part of the PD7A statement shows, what goes in the four voucher boxes, which voucher to use for current amounts versus arrears, and how to pay online instead. - [T3APP: get a trust account number online instantly, or mail the form](https://whizi.io/tax/t3app-trust-account-number/): How to get a CRA trust account number for a new estate or inter vivos trust: the online registration, the paper T3APP, the documents, the mailing addresses and the mistakes that stall the first T3. - [T3012A: pull unused RRSP contributions out with no tax withheld](https://whizi.io/tax/t3012a-unused-rrsp-contributions/): How Form T3012A gets undeducted RRSP contributions refunded with no withholding, who qualifies, the time limit, a worked Part 1 calculation, and what to do when the form route is closed. - [T3010 instructions: version 24, every schedule, due in six months](https://whizi.io/tax/t3010-instructions/): A section by section walk through of the T3010 (version 24): which answers trigger which schedule, Section D versus Schedule 6, the expense lines, Schedule 8 and the errors that bounce a return. - [T3010 filing deadline: six months after year end, then revocation](https://whizi.io/tax/t3010-filing-deadline/): The T3010 due date for every fiscal year end, the T2051A revocation clock that starts when a charity misses it, the $500 penalty and the way back after revocation. - [T1213 gets your client a CRA letter to cut withholding for one year](https://whizi.io/tax/t1213-reduce-tax-deductions/): What goes on the 2026 Form T1213, the documents each line needs, when the CRA approves it, how payroll applies the letter of authority and when no letter is needed at all. - [Regulation 105 withholding: 15% of non resident service fees](https://whizi.io/tax/regulation-105-withholding/): Which payments to a non resident service provider take the 15% Regulation 105 withholding, how the Quebec 9% stacks on top, how waivers work, the penalties and the T4A-NR. - [GST/HST late filing penalty: 1% plus 0.25% a month, 4% cap](https://whizi.io/tax/gst-hst-late-filing-penalty/): How the CRA calculates the GST/HST late filing penalty under ETA 280.1, with a month by month table, a worked example with interest, the demand and paper filing penalties, and when relief is possible. - [T1261: mail certified photo ID to Sudbury, get an ITN in 6 to 8 weeks](https://whizi.io/tax/t1261-individual-tax-number/): Who qualifies for an ITN, which T1261 box to tick, who can certify the ID copies, how long the CRA takes, and how to time the application around a section 116 sale. - [T2 Schedule 9: four relationship codes, use the first that applies](https://whizi.io/tax/t2-schedule-9-related-associated/): Who goes on T2 Schedule 9, what the four relationship codes mean and which one wins, related versus associated under ITA s.251 and s.256, and one family group filled in row by row. - [Section 22 election: deduct the receivables discount in full on T2022](https://whizi.io/tax/section-22-election/): When a section 22 election on Form T2022 fits a business sale, what it does for the seller and the buyer, who signs, where it goes and what happens to the receivables without it. - [T2 Schedule 50: list every 10% shareholder, up to the top 10](https://whizi.io/tax/t2-schedule-50-shareholder-information/): Who a private corporation lists on T2 Schedule 50, what goes in lines 100 to 500, a filled in example, and how holdcos, trusts and nominees are reported. - [T4 Summary: line 80 less line 82 sets your balance due or refund](https://whizi.io/tax/t4-summary/): Every line of the T4 Summary from 14 to 88, how the difference between deductions and remittances becomes a balance due or an overpayment, a worked 2026 example, and what amending changes. - [Form T183: your client signs before you EFILE, you keep it six years](https://whizi.io/tax/t183-form/): Every T183 rule an electronic filer is checked on: signing before transmission, the $300 correction limit, electronic signatures, retention, CRA requests and how T183CORP differs. - [How to report a T5008: box 21 goes on Schedule 3, box 20 is not ACB](https://whizi.io/tax/t5008-reporting/): Where each T5008 box lands on Schedule 3, why box 20 is not the adjusted cost base, a worked example across two brokers, and the slips that stay off the return. - [GST44 election: no GST/HST on a business sale if the buyer gets 90%](https://whizi.io/tax/gst44-section-167-election/): Who can make the section 167 election on Form GST44, how the 90% test works, an Ontario sale with and without the election, the filing deadline and what stays taxable. - [T2 Schedule 3: dividends in, Part IV tax, and dividends paid out](https://whizi.io/tax/t2-schedule-3-dividends/): A part by part and column by column walk through of T2 Schedule 3, with the T2 line each total feeds, the connected payer formula and a filled Holdco and Opco example. - [T3 Schedule 9: each line feeds a T3 slip box, and line 928 caps it](https://whizi.io/tax/t3-schedule-9/): T3 Schedule 9 line by line: which income goes on which line, the T3 slip box each one feeds, the paid or payable test, the three beneficiary columns and a worked family trust allocation. - [T1198: retroactive lump sums of $3,000 or more can be taxed by year](https://whizi.io/tax/t1198-retroactive-lump-sum/): How a qualifying retroactive lump sum on Form T1198 is taxed: which payments qualify, the $3,000 test, the CRA notional tax and its interest, a worked example, and what the payer must issue. - [T3 return for an estate: needed for any year with a gain or payment](https://whizi.io/tax/t3-return-for-estate/): The CRA's filing tests for a deceased client's estate laid out as a table, the year the T3 covers, how payments to beneficiaries move the tax, and a worked 2026 example. - [T777: expenses total on line 9368, then line 22900, T2200 first](https://whizi.io/tax/t777-employment-expenses/): A line by line walk through of the 2025 Form T777: what salaried and commission employees can claim, the T2200 conditions, the vehicle chart with class 10.1 CCA, special worker lines and records. - [T5013 slip: box 116 to T2125, box 110 to T776, box 151 to Schedule 3](https://whizi.io/tax/t5013-slip-boxes/): Every T5013 box an accountant hits, mapped to its T1 line or form, plus the limited partner boxes, the at risk loss limit, box 113 and the cost base, the T2 side and a worked slip. - [T2 Schedule 8: 22 columns per class, total CCA to Schedule 1 line 403](https://whizi.io/tax/t2-schedule-8-cca/): Every column of T2 Schedule 8 with its line code, the 2026 factors for columns 15 and 16, a four class worked schedule and the edge cases that change a line. - [T4A box 048: T2125 income, line 13500, both halves of CPP](https://whizi.io/tax/t4a-box-048/): Where T4A box 048 fees for services land on the T1, why the slip rarely matches the T2125, the CPP your client owes with a 2026 worked example, the GST/HST test and how to fix a wrong slip. - [TFSA successor holder vs beneficiary: only a spouse keeps the account](https://whizi.io/tax/tfsa-successor-holder-vs-beneficiary/): How a TFSA successor holder and a designated beneficiary are taxed, the 2026 change for surviving spouses, the exempt period, and a worked example on a $120,000 account. - [T2 Schedule 11: shareholder loans, asset sales and payments to report](https://whizi.io/tax/t2-schedule-11-shareholder-transactions/): What the corporate T2 Schedule 11 asks for, what stays off it, each column from 100 to 550, a filled example for a December 31, 2026 year end, and the 15(2) and 80.4 rules a loan balance on it points to. - [CPT30: CPP stops at 65 to 69 from the first of the next month](https://whizi.io/tax/cpt30-stop-cpp/): Who can file Form CPT30, the exact pay where CPP stops, the 2026 proration arithmetic, T4 boxes, revoking the election and the Schedule 8 route for sole proprietors. - [Qualified donee: 10 kinds, and the T1441 rule for grants over $5,000](https://whizi.io/tax/qualified-donee/): The qualified donee categories in ITA 149.1(1), where to check each one, the grantee rules a charity follows for everyone else, and how both land on the T3010. - [How to pay corporate tax: online with the BN, and no T7DR voucher](https://whizi.io/tax/pay-corporate-tax-cra/): Every way a corporation can pay its T2 balance or instalments, when each method counts as paid, which remittance voucher fits which payment, and the $10,000 electronic payment rule. - [CRA review letter: reply by its deadline, with the reference number](https://whizi.io/tax/cra-review-letter/): The eight CRA review programs side by side, how to answer a review letter through Represent a Client, the proof each common claim needs, and a dated 2025 medical expense review. - [Form T661: 10 parts, one Part 2 per project, due 18 months out](https://whizi.io/tax/t661-sred-form/): What each of the 10 parts of the 2026 Form T661 asks, the new lines for capital and leases, the proxy or traditional choice, and a worked claim from Part 3 to the credit. - [T1204 vs T4A: federal payers report contracts over $500 by March 31](https://whizi.io/tax/t1204-government-contracts/): Who issues the T1204, what boxes 82 and 84 hold, how it differs from the T4A and the T5018, and how to reconcile the slip to your client's T2125 or T2. - [T2033 doesn't move a pension commuted value: T2151 does, up to a cap](https://whizi.io/tax/t2033-pension-transfer/): Which form moves which retirement money, the Regulation 8517 cap on a defined benefit commuted value, a worked example of the taxable excess, and how to report or undo it. - [CCPC stock options: taxed when sold, with a 50% deduction](https://whizi.io/tax/ccpc-stock-options/): How CCPC employee stock options are taxed in 2026: the deferral to the year of sale, the 110(1)(d) and (d.1) deductions, T4 codes, the capital gain, the LCGE clock and the traps. - [EFILE error codes: a rejected T1 isn't filed until EFILE accepts it](https://whizi.io/tax/efile-error-codes/): How CRA EFILE error codes are grouped, the T1 codes preparers hit most and their fixes, the codes that force a paper return, and what a rejection does to the deadline. - [Payroll remittance: twice the CPP, 2.4 times the EI, plus the tax](https://whizi.io/tax/calculate-payroll-remittance/): How to build one pay period's CRA remittance in 2026: the employee deductions, the employer share, a full Ontario worked example and why the amount drops late in the year. - [GST370 rebate: 5/105 to 15/115 back if the employer is registered](https://whizi.io/tax/gst370-employee-rebate/): Who qualifies for the GST370 employee and partner rebate, which T777 expenses count, the fraction for each province, a worked Ontario example, and how the rebate is taxed the year after. - [NR4 codes: two digit income codes in box 14, letters in box 18](https://whizi.io/tax/nr4-codes/): The NR4 income codes grouped by payment type, every exemption letter and when it fits, the country, currency and recipient codes, and a worked slip with the summary totals. - [Family trust tax: 33% on retained income, beneficiary rates on payouts](https://whizi.io/tax/family-trust-tax/): How a Canadian family trust is taxed for 2026: the 33% rate on retained income, allocations and designations, TOSI, the 75(2) and 74.1 attribution traps, LCGE multiplication and the T3. - [GST189: 17 reason codes, and 1C is for GST/HST paid in error](https://whizi.io/tax/gst189-general-rebate/): Every GST189 reason code beside its Excise Tax Act section and filing deadline, when code 1C beats a supplier credit or an amended return, and a worked code 7 rebate. - [TD1X: commission pay taxed net of expenses, due by January 31](https://whizi.io/tax/td1x-commission/): Who can file the 2026 TD1X, when it is due, the payroll formula that turns it into tax on each commission cheque, a worked example and the year end trap. - [T5007 slip: line 14400 or 14500, then the same amount off on 25000](https://whizi.io/tax/t5007-slip/): Where each T5007 box goes on the T1, who reports social assistance in a couple, how WSIB advances and retroactive awards change the picture, and what the higher net income costs in benefits. - [GST/HST NETFILE: file in your CRA account or with a 4 digit code](https://whizi.io/tax/gst-hst-netfile/): The three ways into GST/HST NETFILE, the Level 2 authorization a representative needs, how to find or reset the access code, what NETFILE refuses, and how paying and refunds work after you submit. - [Corporate tax on investment income: 38.67% federal, 30.67% refundable](https://whizi.io/tax/corporate-tax-on-investment-income/): How a CCPC is taxed on interest, rent, foreign income, capital gains and dividends, the combined 2026 rate in each province, the refundable part, and a worked Ontario example. - [T4A box 105: tax free for full time students, $500 exempt for others](https://whizi.io/tax/t4a-box-105/): When a T4A box 105 scholarship, bursary or fellowship is fully exempt, how the part time and $500 limits work, and which look alike T4A codes follow other rules. - [T4 amendment: mark it AMENDED on paper, use code A online](https://whizi.io/tax/t4-amendment/): How to amend, cancel, add or replace a T4 slip after filing, by paper, Web Forms or XML, when the CRA says not to amend, and what the employee does with a return already filed. - [Shareholder loan account: credit means the company owes the owner](https://whizi.io/tax/shareholder-loan-account/): How to book the shareholder loan account: what a credit and a debit balance mean, the journal entry for each common transaction, a full year worked through, interest on money the owner lends in, and the year end review. - [QSBC shares: 90% active at the sale, over 50% for the 24 months before](https://whizi.io/tax/qsbc-shares-test/): The three s.110.6(1) tests for qualified small business corporation shares, who counts as related for the holding period, how holding companies tighten the asset test, and a worked purification. - [Clergy residence deduction: 2 tests, then 1/3 of pay or $1,000 a month](https://whizi.io/tax/clergy-residence-deduction/): Who passes the status and function tests, how Form T1223 caps the claim for an owned or rented home, what the employer reports on the T4, and how payroll can reduce tax at source. - [CRA penalty for not filing electronically: $1,000 on a paper T2](https://whizi.io/tax/cra-penalty-not-filing-electronically/): Every CRA electronic filing rule in one place: the T2, information slips, GST/HST returns, the tax preparer rule and payments over $10,000, with the penalty, the statute and a worked example for each. - [Section 160 ITA: recipient owes the lesser of value gap and tax debt](https://whizi.io/tax/section-160-income-tax-act/): Who section 160 catches, how the lesser of amount is worked out, why the CRA has no deadline to assess, the defences that hold up and the 2021 antiavoidance rules. - [T2 nil return: an inactive corporation still files every year](https://whizi.io/tax/t2-nil-return-inactive-corporation/): Who has to file a nil T2, what goes on it, which penalties still apply when no tax is owing, the refund a dormant corporation can lose, and when dissolving beats filing. - [Foreign income exchange rate: Bank of Canada day rate or 2025 average](https://whizi.io/tax/foreign-income-exchange-rate/): Which Bank of Canada rate converts foreign income, foreign tax, capital gains and T1135 amounts, with the 2025 annual averages and worked arithmetic. - [Owner built home GST rebate: 36% of the GST, up to $6,300, on GST191](https://whizi.io/tax/gst191-owner-built-rebate/): Form GST191 step by step: which forms go with it, the federal formula on fair market value, the three deadline situations, a worked Ontario example and the first time buyer top up. - [NR301 form: payee signs, payer keeps, expires 3 years after year end](https://whizi.io/tax/nr301-form/): What goes in each of the eight parts of Form NR301, who signs it and who keeps it, when it expires, when NR302 or NR303 fits instead, and what the form saves on a real dividend. - [Form T2203: needed for a permanent establishment in another province](https://whizi.io/tax/t2203-multiple-jurisdictions/): Who has to file Form T2203, how a permanent establishment is defined, the half revenue, half wages allocation in Part 1, and a worked Ontario and Alberta split. - [Deceased client CRA access: executor's papers first, then 28 days](https://whizi.io/tax/represent-a-client-deceased/): The order that gets an accountant into a deceased client's CRA account: the death notice, the executor's documents, the 28 business day wait, then your authorization, with a dated 2026 timeline. - [RC145: close CRA accounts online or by mail within 6 months of signing](https://whizi.io/tax/rc145-close-business-number/): How to close GST/HST, payroll, corporate and information return accounts online or with Form RC145, what must be filed first, a worked closing with real dates, and the dissolution, amalgamation and Quebec exceptions. - [T4 boxes: what each one reports and which T1 line it feeds](https://whizi.io/tax/t4-boxes-explained/): Every numbered T4 box, what the employer puts in it, when it stays blank or shows 0, and the T1 line it feeds, with a worked 2026 slip and the 2026 caps on boxes 24 and 26. - [File T4 Summary online: Web Forms to 100 slips, XML files to 150 MB](https://whizi.io/tax/file-t4-summary-online/): The two ways to file T4 slips and the T4 Summary with the CRA online, how to sign in with or without a web access code, what proves the return arrived, and the errors that get a file rejected. - [SR&ED eligibility: two tests, five questions, seven exclusions](https://whizi.io/tax/sred-eligibility/): What work qualifies for SR&ED under subsection 248(1), the five questions the CRA built its test on, support work against excluded work, and a worked split of project hours. - [ROE reason codes: 13 letters for Block 16, and the first reason wins](https://whizi.io/tax/roe-reason-codes/): Every Block 16 reason code on the Record of Employment, the situations that trip up payroll, how the letter feeds into the EI decision and how to fix a wrong code. - [EFILE registration: a RepID, a free online form, renewal every year](https://whizi.io/tax/efile-registration/): How to register a firm for CRA EFILE, who has to be listed, what suitability screening checks, the yearly renewal and new password, and the changes that force a brand new application. - [CRA requirement to pay: a s.224 garnishment that needs no court order](https://whizi.io/tax/cra-requirement-to-pay/): What a CRA requirement to pay does under ITA s.224, what the bank, employer or customer that receives it must do, what it costs them to ignore it, and how your client gets it lifted. - [US citizen in Canada: file a T1 and a 1040, credits stop double tax](https://whizi.io/tax/us-citizen-living-in-canada-taxes/): What a US citizen resident in Canada files on each side, which country credits which tax under the treaty, the US information returns with their thresholds, and how TFSAs, RESPs, RRSPs and Canadian funds look to the IRS. - [RESP withdrawal tax: EAPs taxed to the student, AIPs taxed 20% extra](https://whizi.io/tax/resp-withdrawal-tax/): How each RESP withdrawal is taxed in 2026: tax free contributions, EAPs taxed to the student, accumulated income payments with the 20% additional tax on Form T1172, and the RRSP transfer that cancels it. - [Company car vs personal car: 24% standby charge or 73 cents a km](https://whizi.io/tax/company-car-vs-personal-car/): The 2026 standby charge, operating cost benefit, allowance rates and CCA ceiling side by side, with a $50,000 car run through both routes and the cases where the company car wins. - [T2 Schedule 7: AII to line 440, AAII to line 417, SBD to line 400](https://whizi.io/tax/t2-schedule-7-aggregate-investment-income/): What each of the seven parts of T2 Schedule 7 computes, where every total lands on the T2, why Part 1 and Part 2 give different numbers, and a worked example of both. - [US Social Security in Canada: 85% taxable, 50% if received before 1996](https://whizi.io/tax/us-social-security-taxable-in-canada/): How Canada taxes US Social Security under the treaty: the 15% and 50% deductions, the T1 lines, a worked example, the OAS clawback trap and the US side. - [CPP overpayment refund: line 44800 for employees, PD24 for employers](https://whizi.io/tax/cpp-overpayment-refund/): Who recovers overpaid CPP and EI, on which line or form, within which time limit, with a 2026 two job example and the CPP2 netting that shrinks the refund. - [Holdco loan to Opco: no 15(2) inclusion when the borrower is Canadian](https://whizi.io/tax/holdco-loan-to-opco/): How 15(2), 80.4(2), 129(6), section 55 and the bad debt rules treat loans between a Canadian holding company and its operating company, in each direction, with a worked creditor protection example. - [GST on commercial real estate: taxable, registered buyers self assess](https://whizi.io/tax/gst-commercial-real-estate/): Who collects or self assesses GST/HST on a commercial property sale, when line 205 or Form GST60 applies, the deadlines, the exempt cases and a $2,000,000 Ontario example. - [Day trading tax in Canada: usually business income, 100% taxable](https://whizi.io/tax/day-trading-tax-canada/): How the CRA splits trading gains between business income and capital gains, the factors behind the call, a worked example on both accounts, the section 39(4) election and who is barred from it. - [T4RIF boxes: 16 is taxable, 24 is the excess, 28 is the tax withheld](https://whizi.io/tax/t4rif-slip/): Every box on the 2026 T4RIF, the T1 line it lands on, why box 28 covers so little of the tax, which slips the CRA expects when a RRIF annuitant dies, and the spousal RRIF boxes. - [GST number lookup: the CRA registry needs 9 digits, name and date](https://whizi.io/tax/gst-number-lookup/): How to check a supplier's GST/HST number on the CRA's free registry, how to read the number on the invoice, what a failed lookup does to your client's input tax credit, and where QST numbers get checked. - [Section 84 deemed dividend: whatever is paid above PUC is a dividend](https://whizi.io/tax/section-84-deemed-dividend/): Every section 84 deemed dividend rule in one table, a redemption worked through three ways, the loss denial traps, PUC increases and returns of capital, wind ups, and the T5 boxes. - [Eligible dependant credit 2026: up to $16,452, one claim per home](https://whizi.io/tax/eligible-dependant-credit/): The 2026 eligible dependant amount, who qualifies to claim it, the one claim limits, shared custody, the child support bar and how it works with the caregiver amount. - [Non resident RRSP withdrawal: 25% withheld, often the final tax](https://whizi.io/tax/rrsp-non-resident-withdrawal/): How Canada taxes an RRSP or RRIF payment to a non resident: the 25% Part XIII rate, when a treaty cuts it, the RRIF periodic limit, the section 217 refund and the payer side. - [Special work site vs remote work location: only the first needs a TD4](https://whizi.io/tax/td4-special-work-site/): The conditions for a TD4 special work site exemption under ITA 6(6), the CRA tests for temporary duties and distance, a worked rotation example and how each amount goes on the T4. - [Corporate attribution rules: 3% deemed interest unless it's an SBC](https://whizi.io/tax/corporate-attribution-rules/): When section 74.4 deems your client to earn interest on property moved into a corporation, who counts as a designated person, the small business corporation exception, the 2026 math and the trust carve out. - [Eligible dividend designation: in writing at payment, up to GRIP](https://whizi.io/tax/eligible-dividend-designation/): How a corporation designates a dividend as eligible under s.89(14), how much a CCPC can safely designate, what an excessive designation costs, and a $100,000 example split against GRIP. - [Source deductions late penalty: 3% to 10%, or 20% on a repeat](https://whizi.io/tax/source-deductions-late-penalty/): The CRA late remittance penalty on payroll source deductions by days late, the $500 floor, the 20% repeat rule, the separate failure to deduct penalty and a worked example with 2026 interest. - [T4 box 45: dental codes 1 to 5, and a blank box is no longer allowed](https://whizi.io/tax/t4-box-45-dental/): The five T4 box 45 codes, which one fits each situation payroll gets wrong, the $100 per slip penalty, T4A box 015 and why a wrong code lands on the employee. - [Alter ego trust: in at cost from age 65, gains taxed at 33% at death](https://whizi.io/tax/alter-ego-trust/): Who qualifies for an alter ego or joint partner trust, what happens to the trust at death, a 2026 worked example of Ontario probate saved against the flat trust rate, and the client facts that make it the wrong tool. - [Henson trust tax: 33% on kept income unless it's a QDT](https://whizi.io/tax/henson-trust/): How a Henson trust is taxed in 2026: the flat top rate, the qualified disability trust election and its recovery tax, the preferred beneficiary election, and the ODSP and RDSP rules that shape the payouts. - [Trust tax rate Canada: 33% federal for 2026, up to 54.8% combined](https://whizi.io/tax/trust-tax-rate/): The 2026 federal rate on income a Canadian trust keeps, the provincial trust rate in every province and territory, the graduated rate estate and qualified disability trust exceptions, and how minimum tax hits trusts. - [Ontario EHT exemption: $1 million, shared by associated employers](https://whizi.io/tax/eht-ontario-exemption/): The 2026 Ontario employer health tax exemption, the $5 million payroll cutoff, how an associated group splits one $1 million exemption, and the allocation math that saves the most tax. - [BC EHT threshold 2026: $1,000,000, then 5.85% up to $1.5 million](https://whizi.io/tax/bc-eht-threshold/): The 2026 BC employer health tax exemption, the 5.85% notch and the 1.95% flat rate, with worked numbers, the associated employer and charity rules, and what counts as BC remuneration. - [T2220: move RRSP or RRIF funds to an ex tax free, if done directly](https://whizi.io/tax/t2220-marriage-breakdown-transfer/): The conditions for a tax free RRSP or RRIF transfer on breakdown of a marriage or common law partnership, who signs each section of Form T2220, how it is reported and what a cash withdrawal would cost instead. - [T2042 for farming: cash method, the MIA and a $17,500 loss cap](https://whizi.io/tax/t2042-farming/): Who files Form T2042 and who files an AgriStability statement instead, how the cash method inventory adjustments work, the restricted farm loss formula, farm CCA classes and the LCGE on farm property. - [ITC on meals and entertainment: 50% of the GST/HST, truckers 80%](https://whizi.io/tax/itc-meals-and-entertainment/): The 50% input tax credit limit on meals and entertainment under Excise Tax Act section 236, the two ways to claim it, which return carries the add back, and a worked Ontario example. - [RRSP upon death: fully taxed unless a spouse or dependant gets it](https://whizi.io/tax/rrsp-upon-death/): How an RRSP or RRIF is taxed on the final return, when a spouse or financially dependent child or grandchild takes it over instead, the forms that move the income, and a worked example. - [RC473: certified non resident employers skip withholding for 2 years](https://whizi.io/tax/rc473-non-resident-employer/): Who qualifies for non resident employer certification, how the 45 day and 90 day tests work on real employees, what reporting survives certification and what to do when an employee stops qualifying. - [T2047: an unpaid related party expense goes back into income in year 3](https://whizi.io/tax/t2047-unpaid-amounts-section-78/): How subsection 78(1) adds an unpaid expense owed to a related person back into income, the T2047 agreement that avoids it, the deadline by year, and the 25% cost of filing late. - [T1 Schedule 3: list each sale in Part 3, half the net goes to 12700](https://whizi.io/tax/t1-schedule-3-capital-gains/): Every line of the 2025 Schedule 3, from the property type sections in Part 3 to the 50% calculation in Part 5, with a worked example and the losses that never net. - [Spousal support is deductible only if periodic and in writing](https://whizi.io/tax/spousal-support-deduction/): The four tests in 56.1(4), how unpaid child support wipes out the spousal deduction, lines 21999 and 22000, Form T1158, lump sums and the legal fee split. - [ROE insurable earnings: 27 weeks in 15B, 53 weeks of hours in 15A](https://whizi.io/tax/roe-calculation-insurable-earnings/): How to fill Blocks 15A, 15B and 15C of the Record of Employment for every pay frequency, where vacation pay, pay in lieu of notice and severance go, and how to count hours nobody tracked. - [GST/HST rulings: free, binding, 45 business days once complete](https://whizi.io/tax/gst-hst-ruling/): How to request a GST/HST ruling or interpretation from the CRA in 2026: what binds, what a complete request contains, where to send it, and when the 45 business day clock starts. - [CRA service complaint: RC193, a 30 business day reply, then the OTO](https://whizi.io/tax/cra-service-complaint/): How a CRA service complaint works in 2026: Form RC193, the 30 business day target, when the Taxpayers' Ombudsperson steps in, and why none of it changes an assessment. - [Advance income tax ruling: $306.50 an hour, 90 business day target](https://whizi.io/tax/advance-income-tax-ruling/): The 2026 hourly fee for a CRA advance income tax ruling, the 90 business day service standard, what IC70-6R12 requires in a request, how binding the ruling is and where GAAR fits. - [CRA access to information request: $5, 30 days, or ask the auditor](https://whizi.io/tax/cra-access-to-information-request/): Every route to a client's CRA audit file, from a free informal request to the auditor to a formal Privacy Act or Access to Information Act request, with who signs, what it costs and a dated example against the objection deadline. - [How to register a charity in Canada: apply online, nine months](https://whizi.io/tax/register-a-charity-canada/): The steps to charitable registration in 2026: legal entity, charitable purposes, BN and RR account, the online application, the documents it needs, the review clock and what your client owes once registered. - [GST66: charities get 50% of GST back, plus 82% of Ontario's 8% part](https://whizi.io/tax/gst66-public-service-bodies-rebate/): The public service bodies rebate on Form GST66: the rate for every type of body and province, a worked Ontario example, the 40% NPO test, what you cannot claim and the four year limit. - [FHSA overcontribution penalty: 1% a month on the highest excess](https://whizi.io/tax/fhsa-overcontribution-penalty/): How the 1% monthly tax on an excess FHSA amount is measured, what a $5,000 excess costs under three fixes, Form RC727 designations, the June 30 RC728 deadline and the RC729 waiver. - [TL2 meals and lodging: $23 a meal, 50%, or 80% for long haul truckers](https://whizi.io/tax/tl2-meals-lodging/): Who qualifies for Form TL2 under which paragraph of the Act, the $23 simplified meal rate, the 50% and 80% limits, what the employer certifies, and a worked 2025 claim. - [Section 156 election: no GST/HST between 90% related companies](https://whizi.io/tax/section-156-election/): Who qualifies for the section 156 election, what it does to intercompany invoices, which supplies stay taxable, the Form RC4616 deadline and the joint liability that comes with it. - [Cumulative net investment loss: it cuts the LCGE dollar for dollar](https://whizi.io/tax/cumulative-net-investment-loss/): What goes into CNIL under ITA 110.6(1), how it shrinks the capital gains deduction, a four year worked example with a 2026 share sale, and the year end dividend that clears it. - [US LLC, Canadian resident owner: the CRA taxes it as a corporation](https://whizi.io/tax/us-llc-canadian-resident/): Why a US LLC is a flow through in the US but a corporation to the CRA, what that mismatch does to the foreign tax credit, a worked 2026 example, FAPI, residency traps and the T1134. - [Debt forgiveness rules: losses cut first, half the rest is income](https://whizi.io/tax/debt-forgiveness-rules/): How section 80 applies a forgiven commercial debt: the order of reductions, a worked example, the 61.3 deduction and 61.4 reserve, the forms, and the bankruptcy trap. - [Disability supports deduction: job and school aids up to earned income](https://whizi.io/tax/disability-supports-deduction/): What qualifies on line 21500, how Form T929 caps the deduction at earned income, when it beats the medical expense credit, and why attendant care claimed here keeps the disability tax credit. - [Specified corporate income: no 9% rate without an assigned limit](https://whizi.io/tax/specified-corporate-income/): When income from a related private corporation loses the small business deduction, how the s.125(3.2) assignment brings it back, a worked example and where it all goes on the T2. - [Indian Act tax exemption: pay is fully exempt at 90% on reserve](https://whizi.io/tax/indian-act-tax-exemption/): How the section 87 exemption works for employment, business and investment income, with the four CRA guidelines, the proration math, payroll reporting and Form T90. - [T2029 waiver: sign it for one named matter, before the period ends](https://whizi.io/tax/t2029-waiver-reassessment-period/): When a Form T2029 waiver of the CRA reassessment period helps your client, how to word the matter so it stays narrow, the filing deadline, and how Form T652 revokes it. - [T2 Schedule 6: half the net gain to Schedule 1 line 113 for 2026](https://whizi.io/tax/t2-schedule-6-capital-dispositions/): Every part of T2 Schedule 6 with its line codes, how Part 8 and Part 9 turn gains into the taxable amount, a worked example with a reserve, and the dispositions that stay off the schedule. - [T3 adjustment request: send T3-ADJ or a letter, never a second T3](https://whizi.io/tax/t3-adjustment-request/): How to change a filed T3 return with Form T3-ADJ: what to send, how to submit it, the amended slips that go with it, and the deadlines that close a trust year. - [Foreign exchange gain tax: a capital gain above $200 for individuals](https://whizi.io/tax/foreign-exchange-gain-tax/): How Canada taxes currency gains and losses: the $200 exclusion in subsection 39(1.1), capital versus income treatment, US dollar accounts, US stocks and foreign currency loans, with worked arithmetic. - [GST59: self assess 5% GST on imported services, due a month later](https://whizi.io/tax/gst59-imported-services/): Who self assesses GST/HST on services and intangibles bought from unregistered non residents, when Form GST59 is due, how the provincial part works, and two worked returns. - [HST on assignment sale: taxable, deposit excluded only in writing](https://whizi.io/tax/hst-assignment-sale/): How ETA section 192.1 taxes every assignment of a new home or condo purchase agreement, the written deposit clause, who collects and on which form, an Ontario example, and what it does to the buyer's rebate. - [T2 Schedule 2: donations deducted on line 311, up to 75% of income](https://whizi.io/tax/t2-schedule-2-charitable-donations/): How Schedule 2 turns a corporate gift into a line 311 deduction, the 75% limit and its top up, the 5 year carryforward, listed shares and the CDA, and the gifts that get no deduction. - [T2 Schedule 23: one $500,000 business limit, split up to 100%](https://whizi.io/tax/t2-schedule-23-business-limit/): How associated CCPCs split one $500,000 business limit on T2 Schedule 23: every column and association code, a filled in example with a short first year, and what happens with no agreement. - [SR&ED proxy method: a 55% proxy wins unless overhead tops it](https://whizi.io/tax/sred-proxy-method/): How the prescribed proxy amount is built, the 2026 caps on owner salary, which overhead each method lets you claim, and a worked 2026 claim run both ways. - [SR&ED audit: 180 days, two reviewers, 30 days to answer the proposal](https://whizi.io/tax/sred-audit/): How a CRA SR&ED review runs from the first call to the reassessment, who the CRA sends, the 60, 90 and 180 day service standards, the records asked for, and how to dispute the result. - [SR&ED Ontario: an 8% OITC and a 3.5% ORDTC on top of federal](https://whizi.io/tax/sred-ontario-tax-credits/): The three Ontario SR&ED credits for 2026, with rates, limits, schedules, the stacking order against the federal credit and a worked example on $1 million of spending. - [Shareholder loan forgiveness: the forgiven amount is income, 15(1.2)](https://whizi.io/tax/shareholder-loan-forgiveness/): How ITA 15(1.2) taxes a corporate loan forgiven to a shareholder, how the forgiven amount is measured, the employee route under 6(15), why section 80 stays out, and the 15(2) timing trap. - [Dividend resolution: the board declares it after a solvency test](https://whizi.io/tax/dividend-resolution-private-corporation/): What a CBCA dividend resolution contains, the two part solvency test with a worked example, director liability, eligible and capital dividend designations, and when the dividend lands on a T5. - [Corporate tax year end: any date, first year capped at 53 weeks](https://whizi.io/tax/corporate-tax-year-end/): How a corporation picks its first year end, the 53 week cap, the events that end a tax year without CRA approval, how to ask for a change, and what the year end does to bonuses, instalments and CCA. - [CCA class 13: cost over the lease plus one renewal, 5 to 40 years](https://whizi.io/tax/cca-class-13-leasehold-improvements/): The Schedule III formula for class 13 leasehold improvements, the 2026 first year rule, a worked example on a 10 year lease and the edge cases that move the number. - [CCA class 14.1: goodwill at 5%, and 7.5% in year one for 2026 buys](https://whizi.io/tax/cca-class-14-1-goodwill/): What goes in class 14.1, the 5%, 7.5% and 7% rates, a 2026 purchase sold three ways, the eligible capital property transition that ends with 2026 year ends, and the section 85 and related party traps. - [CCA half year rule: a 50% first year cut most 2026 buys now skip](https://whizi.io/tax/cca-half-year-rule/): Which 2026 additions still take the 50% half year cut under Regulation 1100(2), which skip it, how disposals interact with it, and a Schedule 8 example with a related party purchase. - [Corporate owned life insurance: premiums not deductible, payout to CDA](https://whizi.io/tax/corporate-owned-life-insurance/): How a Canadian corporation is taxed on life insurance it owns: premium deductibility and collateral assignments, the death benefit and the CDA credit, shareholder benefits and policy transfers, with worked numbers. - [Acquisition of control: a deemed year end and restricted losses](https://whizi.io/tax/acquisition-of-control/): What an acquisition of control does to a Canadian corporation under the Income Tax Act: the deemed year end, the loss and credit restrictions, the writedowns, the elections, and a worked example of the short year. - [Schedule 500 Ontario: 11.5% tax, less a 9.3% OSBD from July 1, 2026](https://whizi.io/tax/t2-schedule-500-ontario/): A line by line walk through T2 Schedule 500, with the Ontario domestic factor, the 2026 rate split, a worked example and where every amount lands on Schedule 5. - [Health spending account: tax free to an owner only as an employee](https://whizi.io/tax/health-spending-account/): When a corporate health spending account is tax free to the owner manager, when the CRA treats it as a shareholder benefit, the 90% test, the section 20.01 cap for unincorporated owners and the Quebec rule. - [Bookkeeping year end checklist: 9 tax dates for a Dec 31, 2026 close](https://whizi.io/tax/bookkeeping-year-end-checklist/): The tax side of a year end close for an owner managed corporation: what has to happen before December 31, what can wait, and the 2027 dates each item runs to. - [Management fees to a holdco: deductible only if real and reasonable](https://whizi.io/tax/management-fees-related-companies/): The tests an intercompany management fee has to pass, what a denied fee costs the group, the small business deduction and PSB angles, GST/HST on the invoice and the records that hold up. - [Paying family members a salary: yes, at the rate you'd pay a stranger](https://whizi.io/tax/paying-family-members-salary/): When a salary to a spouse or child is deductible, which payroll deductions apply at each age, a worked 2026 example with the lost spouse amount, and the records that hold up in a review. - [Source deduction arrears: 7% interest compounded daily, no 90 day wait](https://whizi.io/tax/source-deductions-arrears/): Where payroll arrears come from, why the CRA can collect them right after the notice of assessment, how the deemed trust ranks them ahead of the bank, how to pay or dispute them, and a worked example at 7%. - [Taxable benefit on group life: premiums plus sales tax, T4 code 40](https://whizi.io/tax/taxable-benefit-life-insurance/): How to value employer paid group term life premiums as a taxable benefit, which sales tax goes in, where it lands on the T4 or T4A, and the premiums that stay out. - [Employer RRSP contribution: taxable benefit, CPP yes, EI sometimes](https://whizi.io/tax/rrsp-employer-contribution/): How an employer RRSP contribution is taxed and withheld on, when EI applies, the T4 boxes, a worked 2026 payroll example and how a DPSP compares. - [Employee loan taxable benefit: 3% deemed interest for 2026, code 36](https://whizi.io/tax/employee-loan-taxable-benefit/): How ITA 80.4(1) taxes a cheap loan to an employee who is not a shareholder, with the 2026 rate, the home loan ceiling and five year reset, T4 reporting and forgiveness under 6(15). - [Honorarium T4 or T4A: box 048 for outsiders, T4 box 14 for directors](https://whizi.io/tax/t4a-honorarium/): Which honorariums go in T4A box 048 and which are employment income on a T4, with CPP and EI for directors and office holders, a 2026 worked example, non resident directors and the emergency volunteer exemption. - [EI premium reduction program: 1.167 times, not 1.4, for 2026](https://whizi.io/tax/ei-premium-reduction/): The 2026 reduced employer EI multiples for each plan category, what a short term disability plan needs to qualify, how to apply, and how the five twelfths employee share works. - [T4A box 020: commissions on lines 13899 and 13900, plus 11.9% CPP](https://whizi.io/tax/t4a-box-020/): Where T4A box 020 self employed commissions land on the T1, how they differ from box 048 and T4 box 42, the CPP your client owes with a 2026 worked example, and when GST/HST registration kicks in. - [T4A box 028: line 13000, or the T2125 if it's business income](https://whizi.io/tax/t4a-box-028/): Where T4A box 028 other income lands on the T1, what payers are told to put under code 028, the retiree premium exception, a shareholder benefit worked example and how to handle a slip that used the wrong box. - [Line 13000 holds T4A 028, 106, 130, retiring allowances and more](https://whizi.io/tax/line-13000/): Every slip box the CRA sends to line 13000, the income with no slip that belongs there, how the $10,000 death benefit exemption is split, and the look alike amounts that go on other lines. - [T4 box 85: health premiums your client paid, not in box 14](https://whizi.io/tax/t4-box-85/): What T4 code 85 reports, which premiums belong in it, how it feeds the 2026 medical expense claim, and the T4A, RL-1 and sole proprietor versions of the same amount. - [CNESST registration: due 60 days after your first worker starts](https://whizi.io/tax/cnesst-registration/): The CNESST registration deadline, who counts as a worker, how the premium is built from unit rates and insurable wages, the 2026 and 2027 figures, and the penalties for filing or paying late. - [HST exempt services: the Schedule V list, no tax charged, no ITCs](https://whizi.io/tax/hst-exempt-supplies/): What Schedule V of the Excise Tax Act exempts, part by part, the conditions that trip up health, education and rental clients, and what exempt status costs a mixed Ontario clinic in dollars. - [Non resident GST registration: $30,000 test or simplified regime](https://whizi.io/tax/gst-hst-non-resident-registration/): Which non residents must register for GST/HST, how the simplified regime for digital sellers and platforms works, how much security a non resident posts, and when voluntary registration makes sense. - [GST bad debt: claim the unpaid share of tax on line 107 within 4 years](https://whizi.io/tax/gst-bad-debt-adjustment/): How to recover GST/HST on a written off invoice under ETA section 231: the conditions, the line 107 formula, the line 104 add back when money comes in, the four year clock and the cases that block the claim. - [Amend GST/HST return: adjust online within 4 years, never refile](https://whizi.io/tax/amend-gst-hst-return/): How to amend a filed GST/HST return: the online Adjust a return form and its conditions, the letter route, which errors go on a later return instead, every time limit and when a voluntary disclosure is the better route. - [HST on commercial rent: taxable at 5% to 15%, small landlords excepted](https://whizi.io/tax/hst-commercial-rent/): When a landlord charges GST/HST on a commercial lease, the rate in each province, the small supplier test applied to rent, what counts as rent, mixed use buildings and the tenant's ITC. - [CRA judicial review: 30 days to the Federal Court, discretion only](https://whizi.io/tax/cra-judicial-review/): Which CRA decisions go to Federal Court judicial review instead of the Tax Court, the 30 day limit in Federal Courts Act s.18.1 counted on real dates, the court steps and fees, and what the court can and cannot do. - [CRA third party penalty: $1,000 floor, preparer cap $100,000 plus fees](https://whizi.io/tax/third-party-civil-penalty-163-2/): How the s.163.2 preparer and planner penalties are calculated, what counts as culpable conduct, where good faith reliance stops protecting you, and how the CRA assesses them under the February 2026 IC01-1R2. - [CRA new audit powers: oral answers are law, the $25,000 penalty is not](https://whizi.io/tax/cra-new-audit-powers/): What the Income Tax Act lets a CRA auditor compel today, what Bill C-31 would add (the $50 a day notice of noncompliance and the 10% compliance order penalty), and the math on both. - [Spousal trust: rolls over at cost if only the spouse can benefit](https://whizi.io/tax/spousal-trust/): The 70(6) conditions for a testamentary spousal trust, the will clauses that taint it, a 2026 worked example of the 70(7) election that untaints it, and what the trust pays when the spouse dies. - [T4A death benefit: first $10,000 tax free, and the spouse goes first](https://whizi.io/tax/t4a-death-benefit/): How an employer death benefit in T4A code 106 is taxed: the $10,000 exemption, the spouse first split, what the payer withholds, how an estate reports it, and how it differs from the CPP death benefit. - [BC probate fees: $6 per $1,000 to $50,000, then $14 per $1,000](https://whizi.io/tax/probate-fees-bc/): The BC probate fee bands under the Probate Fee Act, the $200 court fee, which assets count for a resident and a non resident, a worked estate with a mortgage and a RRIF, and how designations and joint accounts change the bill. - [Alberta probate fees 2026: $35 to $525, set by net estate value](https://whizi.io/tax/probate-fees-alberta/): Alberta's surrogate court fee for a grant by estate size, how Form GA2 builds the net value of property in Alberta, a worked estate, and how Ontario and BC compare. - [Ontario Estate Information Return: due 180 days after the certificate](https://whizi.io/tax/estate-information-return-ontario/): The 180 day deadline, every 60 day revised return trigger, what each section of Form 9955 asks for, a worked calculation and the penalties for filing late. - [CRA letter of residency: request it in writing, 2027 opens Oct 15](https://whizi.io/tax/cra-letter-of-residency/): How to request a CRA certificate of residency for an individual, corporation, trust or partners, what each request must include, who gets refused, foreign forms and apostilles, and the foreign tax it saves. - [FAPI in Canada: a CFA's passive income is taxed yearly, paid or not](https://whizi.io/tax/fapi-canada/): What counts as foreign accrual property income, which affiliates are controlled, the relevant tax factor of 4 or 1.9 with a worked example, and how the surplus accounts treat the later dividend. - [Branch tax Canada: 25% under Part XIV, 5% for US companies](https://whizi.io/tax/branch-tax-canada/): How the Part XIV branch tax works for a nonresident corporation with a Canadian branch: the 25% rate, the treaty caps and $500,000 exemptions, Schedule 20 line by line and a two year worked example. - [Convert RRSP to RRIF by December 31 of the year your client turns 71](https://whizi.io/tax/convert-rrsp-to-rrif/): The age 71 deadline by birth year, the three ways an RRSP can mature, when the first RRIF minimum lands, the younger spouse election and why some clients convert part of the plan at 65. - [TFSA non qualified investments: a 50% tax, refundable if sold in time](https://whizi.io/tax/tfsa-non-qualified-investments/): What a TFSA or RRSP may hold, when an investment is non qualified or prohibited, the 50% tax and its refund, the 100% advantage tax, a worked example and RC243 or RC339 reporting. - [TFSA day trading: business income taxed in the trust at 33% federal](https://whizi.io/tax/tfsa-day-trading/): When trading inside a TFSA becomes a business, how subsection 146.2(6) taxes the trust, what Ahamed decided, a worked 2026 example and who is liable for the bill. - [RDSP withdrawal: contributions come out tax free, the rest is income](https://whizi.io/tax/rdsp-withdrawal/): How each RDSP payment splits into a tax free contribution share and a taxable share, with the LDAP formula, the 10% cap, the grant and bond repayment and 2026 withholding. - [Official donation receipt requirements: 13 fields under Reg. 3501](https://whizi.io/tax/official-donation-receipt-requirements/): Every field a registered charity must put on an official donation receipt, with the Regulation 3501 paragraph behind each one, the extra fields for gifts in kind, the eligible amount math, replacement receipts and the penalties for getting it wrong. - [Disbursement quota: 3.5% up to $1 million, 5% above it](https://whizi.io/tax/disbursement-quota/): How the charity disbursement quota is worked out in 2026: the thresholds, the 24 month average, what spending counts, the Schedule 8 lines, short years, shortfalls and the reduction request. - [Ontario EHT annual return: the 2026 return is due March 15, 2027](https://whizi.io/tax/eht-ontario-annual-return/): The 2026 Ontario employer health tax annual return deadline, who must file, when monthly instalments start, what a late return costs and how final returns work when a business closes. - [BC EHT annual return: the 2026 return is due March 31, 2027](https://whizi.io/tax/bc-eht-annual-return/): Every 2026 BC employer health tax date, the eTaxBC return line by line, instalment and late filing math with real numbers, and the associated employer and part year traps. - [Quebec QST registration: $30,000, and apply before the first sale](https://whizi.io/tax/quebec-qst-registration/): The $30,000 small supplier test for QST, the businesses that must register at any size, the specified system for sellers outside Quebec, and how to get and check a QST number. - [QST return: due one month after the period, three if annual](https://whizi.io/tax/qst-return/): When the QST return is due for each filing frequency, the 2026 Revenu Québec due dates, how the combined GST/HST and QST return is filed and paid, and what a late remittance costs. - [Is WSIB mandatory in Ontario? Yes, unless the industry is excluded](https://whizi.io/tax/wsib-mandatory-ontario/): Which Ontario businesses must carry WSIB coverage under O. Reg. 175/98, which are excluded, the 2026 class rates and maximum insurable earnings, a worked premium, owners and contractors, and what late registration costs. - [WCB clearance letter: without one, you can owe a contractor's premiums](https://whizi.io/tax/wcb-clearance-letter/): What a workers compensation clearance protects your client from in Ontario, BC, Alberta, Saskatchewan, Manitoba, Quebec and Nova Scotia, how long each one lasts, and how often to pull a fresh one on a long contract. - [Quebec Health Services Fund: 1.65% to 4.26% of payroll in 2026](https://whizi.io/tax/quebec-health-services-fund/): The 2026 Quebec HSF rate scale, the rate your client actually pays at each payroll level, how associated employers change it, how remittances are estimated and who is exempt in 2026 and 2027. - [Manitoba health and education levy 2026: $2.5M exempt, then 4.3%](https://whizi.io/tax/manitoba-health-education-levy/): The 2026 Manitoba HE Levy bands, the 4.3% notch and 2.15% flat rate with worked numbers, the monthly return mechanics, associated groups and partnerships, and what counts as remuneration. - [Labour mobility deduction: $10,000 for 2026, lodging 120 km closer](https://whizi.io/tax/labour-mobility-deduction/): Who qualifies for the labour mobility deduction, the 2026 jump to $10,000 and the 120 km test, which travel and lodging costs count, and a worked example with two relocations. - [Flow through shares tax: 100% deduction, nil cost, 15% or 30% credit](https://whizi.io/tax/flow-through-shares-tax/): How an individual investor is taxed on flow through shares: the renounced CEE and CDE deductions, the mining credits, the nil cost on sale, donations, AMT and CNIL, with a worked 2026 example. - [Bonus accrual 180 days: pay by June 28, 2027 for a Dec 31 year end](https://whizi.io/tax/bonus-accrual-180-days/): The ITA 78(4) deadline for paying an accrued bonus, day 179 and day 180 for six year ends, what happens when it is paid late, and the payroll and T4 side of the payment. - [CRA liaison officer: a free, confidential visit that isn't an audit](https://whizi.io/tax/cra-liaison-officer/): What a CRA liaison officer covers, who can book a visit, how it differs from an audit, how the request form works and where the confidentiality stops. - [ITC on a company car: capped at the tax on $39,000 for 2026](https://whizi.io/tax/itc-company-car/): Who gets the full GST/HST input tax credit on a passenger vehicle and who claims it through CCA, the 2026 cap by province, a $50,000 Ontario car worked for a corporation and a sole proprietor, and the lease, benefit and sale rules that change the number. - [CRA letter of compliance: since April 2025, it's the FBC letter](https://whizi.io/tax/cra-letter-of-compliance/): What the CRA will confirm about a business in 2026, how you request the filing and balance confirmation letter, and the Ontario and Quebec tax compliance certificates that government contracts ask for. - [Lifetime benefit trust: RRSP tax deferred via a trust annuity](https://whizi.io/tax/lifetime-benefit-trust/): Who a lifetime benefit trust can hold an RRSP or RRIF for, the five steps that move the tax off the final return, the annuity the trustee must buy, and a 2026 worked example. - [RDSP upon death: 10 years of grant repaid, the rest to the estate](https://whizi.io/tax/rdsp-upon-death/): What the issuer repays, what the estate receives and how it is taxed when an RDSP beneficiary dies, with the closing deadline, a worked example and the edge cases. - [Non resident corporation T2: required even when a treaty exempts it](https://whizi.io/tax/non-resident-corporation-t2/): The four ITA 150(1)(a) triggers that put a non resident corporation on the T2, the excluded disposition test, Schedules 91 and 97, and the $25 a day late penalty worked in dollars. - [CRA tax treaty countries: 94 in force, Russia suspended since 2024](https://whizi.io/tax/cra-tax-treaty-countries/): The full list of 94 jurisdictions with a Canadian tax treaty in force, the treaties signed but not yet in force, the withholding caps for the biggest partners and how to read a treaty article. - [LIF maximum withdrawal 2026: 7.38% in Ontario, 6.03% federal at 65 on January 1](https://whizi.io/tax/lif-maximum-withdrawal/): The 2026 LIF maximum by jurisdiction, the 1/F annuity formula behind it, a $300,000 worked example, first year proration, withholding above the minimum and the unlocking routes. - [T5013 at risk amount: ACB plus income share, less debt and guarantees](https://whizi.io/tax/t5013-at-risk-amount/): How the at risk amount in box 105 caps a limited partner's loss, the formula line by line, a worked example from ACB to box 108 and the later line 25100 claim, and the traps. - [NPO tax in Canada: exempt under 149(1)(l) if four tests are met](https://whizi.io/tax/non-profit-organization-tax/): The four conditions in ITA 149(1)(l), how much surplus an NPO can keep, when a club still pays tax on property income, the returns it files and how GST/HST treats it. ## Contact - Support: https://whizi.io/support (whizihelp@gmail.com) - Company: Whizi, Inc. (https://whizi.io)