SHENG QIAN CPA

Tax Checklist & Deadlines

What to prepare for your tax return, and the key dates for the 2026 tax year (filed in 2027).

Key dates for the 2026 tax year

Individuals and families

  1. Dec 31

    2026 · Thu

    Last day for 2026 donations, FHSA contributions and most deductible expenses

  2. Mar 1

    2027 · Mon

    RRSP contribution deadline for 2026

  3. Mar 15

    2027 · Mon

    First 2027 tax instalment, if you pay by instalments

    The other instalments are due June 15, September 15 and December 15.

  4. Apr 30

    2027 · Fri

    File your 2026 personal tax return (T1) and pay any balance owing

    Foreign property (T1135) and foreign trust forms (T1141 / T1142) are due the same day.

  5. Jun 15

    2027 · Tue

    Filing deadline for self-employed individuals and their spouses

    Any balance owing was still due April 30. Their T1135 is also due June 15.

  6. Nov 1

    2027 · Mon

    Foreign affiliate information return (T1134) for individuals

    Due ten months after the year-end — October 31, which falls on a Sunday in 2027.

Employers, payers and trusts

  1. Mar 1

    2027 · Mon

    T4, T4A and T5 slips to recipients and the CRA

  2. Mar 31

    2027 · Wed

    T3 trust returns and slips, and NR4 slips (December 31 year-end)

Non-residents

  1. Jun 30

    2027 · Wed

    Section 216 return for Canadian rental income, if you filed an NR6

Corporations — counted from your fiscal year-end

  1. 2–3 months

    Balance of corporate income tax

    Three months for many Canadian-controlled private corporations, two months for others.

  2. 6 months

    Corporate tax return (T2), including T1135 and other information forms filed with it

  3. 10 months

    Foreign affiliate information return (T1134)

If a deadline falls on a weekend or public holiday, it moves to the next business day.

What to prepare

Individuals and families

  • Your SIN (Social Insurance Number) and the CRA notice of assessment from last year
  • Slips: T4 (employment), T4A (pension, scholarships, other income), T4E (EI), T5 (investment income), T3 (trust and mutual fund income), T5008 (securities sold), RRSP and FHSA contribution receipts
  • Tuition slips (T2202), medical expenses, charitable donation receipts, childcare receipts
  • Rent paid or property tax for the Ontario Trillium Benefit
  • Instalments paid to the CRA during the year
  • Changes in the year: marriage or separation, new child, move, home purchase or sale

Self-employed and rental income

  • Income records (invoices, platform statements) and expense receipts
  • Rental income and expenses for each property: mortgage interest statement, property tax, insurance, repairs, utilities, management fees
  • Vehicle log and home office details, if applicable
  • Purchases of equipment or property during the year

Foreign income and assets

  • Foreign income such as interest, dividends, rent or pensions, and any foreign tax paid
  • Cost of foreign property (bank accounts, shares, rental real estate) for Form T1135
  • Shares in foreign companies (Form T1134)

Moving to or leaving Canada

  • Your date of arrival or departure
  • World income for the part of the year before arrival (for benefits)
  • Value of the property you owned on the date you became, or stopped being, a resident

Corporations

  • Bank and credit card statements for the whole fiscal year
  • Sales and purchase records, invoices and receipts
  • Payroll records, and T4/T5 slips issued
  • Shareholder loan transactions and dividends paid
  • Asset purchases and sales, and loan statements
  • Last year's T2 return, financial statements and notice of assessment
  • GST/HST returns filed during the year

Non-residents with Canadian property

  • NR4 slips from your tenant or property manager
  • Rental income and expenses for the year
  • Your NR6 approval, if any
  • For a sale: purchase and sale agreements, statements of adjustments and legal invoices

Not sure what applies to you? Contact us or book a consultation — we'll tell you exactly what we need.