Tax Dates and Deadlines

To help you prepare for your 2025 tax filing

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To help you with your end of year planning and tax return preparation, here are some key dates and deadlines to keep in mind for the 2025 tax season. Please bookmark this page for future reference.

Key Dates and Deadlines

Date	Key Event
March 2, 2026	RSP Contribution Deadline for 2025 tax year. Contributions made by this date can be applied to your 2025 tax return.
March 15, 2026	First quarterly personal income tax instalment due. Avoid income attribution by settling prescribed-rate loan interest by this date.
April 30, 2026	Deadline to file your taxes (personal) if you receive a T4
June 15, 2026	Deadline to file your taxes if you or your spouse or common-law partner are self-employed.

Tax Slip Mailing Dates

Date	Key Event
February 28, 2026	Expect to receive the following tax slips by this date: T4A, T5, T4RSP, T4RIF, NR4 and Releve 1 or 2 slips RSP Contribution Slip (March to December 2025 contributions)
March 31, 2026	Expect to receive the following tax slips by this date: RSP Contribution Slip (First 60 days of 2026 contributions) T3/Releve 16

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