T1 Individual Return (Payment Deadline)
Canada's individual tax return payment deadline. Self-employed get until June 15 to file, but any balance owing is still due April 30.
Filing deadline
April 30, 2026
- Country
- Canada
- Tax year
- 2025
- Official
- Tax authority
What is this deadline?
Canadian federal individual income tax filing and payment deadline. Self-employed individuals and their spouses get an extended filing deadline to June 15, but any taxes owing still accrue interest from May 1 if not paid by April 30.
How to file
- NETFILE certified software (TurboTax, Wealthsimple Tax, H&R Block)
- Paper (T1 General)
- Through an accountant
What people miss
- Canada-wide vs provincial — T1 covers both federal and provincial (except Quebec, which has its own TP1)
- TFSA / RRSP — contribution room accumulates; check CRA My Account for your limits
- CPP contributions on self-employment — pay both employee + employer shares
- HST/GST returns are separate (quarterly for most small businesses)
- Medical expenses, charitable donations often missed
- Home office — simplified flat-rate or detailed method
Prepare this return with open-source skills
These skills are in the OpenAccountants repo. Clone them into Claude, Cursor, or any AI agent and they handle the computation.
Use this skill whenever asked about Canada Pension Plan (CPP) or Employment Insurance (EI) contributions for self-employed individuals. Trigger on phrases like "CPP self-employed", "Schedule 8", "CPP2", "YAMPE", "EI opt-in self-employed", "how much CPP do I pay", "self-employed EI benefits", "CPP contribution calculation", or any question about CPP/EI obligations for a self-employed sole proprietor or single-member entity in Canada. This skill covers CPP1 rates, CPP2 second ceiling, Schedule 8 computation, EI voluntary opt-in, tax treatment (line 22200 deduction and non-refundable credit), age exemptions, overpayment recovery, and edge cases. ALWAYS read this skill before touching any CPP/EI-related work.
Use this skill whenever asked about a Canadian federal T1 General individual income tax return for a self-employed sole proprietor. Trigger on phrases like "T1 return", "personal tax Canada", "federal tax brackets", "basic personal amount", "CPP self-employed", "CPP2", "self-employment tax Canada", "net income", "taxable income", "federal tax calculation", "non-refundable credits", "instalment payments", or any question about computing federal tax for a self-employed individual in Canada. ALWAYS read this skill before touching any T1 return work.
Use this skill whenever asked about Canadian self-employment business income reported on Form T2125 (Statement of Business or Professional Activities). Trigger on phrases like "T2125", "business income Canada", "self-employed expenses", "CCA", "capital cost allowance", "home office Canada", "motor vehicle expenses CRA", "business-use-of-home", "sole proprietor Canada", "net business income", "business number BN", "fiscal year end", "GST ITC", or any question about computing, classifying, or reporting business income and expenses for a Canadian sole proprietor. Covers Parts 1-8 of T2125, allowable expenses, CCA classes and rates, AccII, business-use-of-home, motor vehicle expenses, GST/HST interaction, and net income computation. ALWAYS read this skill before touching any T2125 work.
Use this skill whenever asked to prepare, review, or classify transactions for a Canadian GST/HST return (Form GST34) for a self-employed individual or small business in Canada. Trigger on phrases like "prepare GST return", "file HST", "Canadian sales tax", "GST/HST return", "Form GST34", "input tax credits", "ITC claim", or any request involving Canadian GST/HST filing. Also trigger when classifying transactions for GST/HST purposes from bank statements, invoices, or other source data. This skill covers federal GST and harmonized HST provinces only under the regular method. Quebec QST, Saskatchewan PST, Manitoba RST, British Columbia PST, Quick Method, and simplified method for charities are in the refusal catalogue. MUST be loaded alongside vat-workflow-base v0.1 or later (for workflow architecture). ALWAYS read this skill before touching any Canadian GST/HST work.
This page is informational only and not tax advice. Verify dates and requirements against the official tax authority before filing.