2026 Tax Deadlines and Updates

Deadlines:

Stay informed this tax season with some key deadlines including filing due dates and payment deadlines for 2026. You are strongly encouraged to file your tax returns and make your payments by the respective deadlines to avoid late filing penalties and interest charges, and ensure benefit payments can continue without interruption.

For additional information on any dates and deadlines please refer to the official CRA website.

Key payment and filing deadlines (relating to the 2025 tax year)

Individual Deadlines

March 2, 2026 -

Deadline to contribute to a RRSP, PRPP, SPP for the 2025 tax year (please note it is advised to make your contribution several business days before the deadline to account for bank processing times)

April 30, 2026 -

T1 filing deadline (except for self-employed individuals)

April 30, 2026 -

T1 payment deadline

April 30, 2026 -

HST payment deadline (for annual filers earning business income with a December 31 year end)

June 15, 2026 -

T1 filing deadline (if you or your spouse earned self-employment income)

June 15, 2026 -

HST filing deadline for annual filers earning business income with a December 31 year end

Corporation and Other Deadlines

March 2, 2026 -

T4, T4A, and T5 filing deadline

March 2, 2026 -

T2 payment deadline (for corporations with a fiscal year ending December 31, unless eligible for a one-month extension)

March 31, 2026 -

T3 filing and payment deadline (for trusts with a December 31 year end)

March 31, 2026 -

T2 payment deadline (for corporations with a fiscal year ending December 31, if eligible for a one-month extension)

March 31, 2026 -

HST filing and payment deadline (for annual filers with a December 31 year end)

June 30, 2026 -

T2 filing deadline (for corporations with a fiscal year ending December 31.

If your corporation fiscal year end differs from December 31, OR if you file HST on a monthly or quarterly basis, the deadlines will be modified:

• Corporate tax payment: Two months after year end, unless eligible for a one-month extension)

• Corporate tax filing: Six months after year end

• Monthly or quarterly HST payment: One month after the end of the reporting period

• Monthly or quarterly HST filing: One month after the end of the reporting period

Instalment Payment Deadlines (relating to the 2026 tax year)

Personal Instalment Deadlines

March 15, 2026

June 15, 2026

September 15, 2026

December 15, 2026

Please refer to your 2025 personal tax package provided by us upon completion of your personal tax return.

Corporation Instalment Deadlines

Monthly -

First instalment payment is due one month less a day from the starting day of your tax year. Thereafter, by the end of each month. For example, if your corporate tax year begins on January 1st, your first monthly instalment would be due January 31st.

Quarterly (if eligible) -

First instalment payment is due one quarter less a day from the starting day of your tax year. Thereafter, by the end of each quarter. For example, if your corporate tax year begins on January 1st, your first quarterly instalment would be due March 31.

HST Instalments (for annual filers) -

Instalments are due one month after the end of each fiscal quarter

Please refer to your 2024 and 2025 corporate tax packages provided by us upon completion of your corporate tax return.