- February 1, 2025 - Tax packages are available at post offices, local tax services offices and online.
- February 15, 2025 - First day to use NETFILE
- February 29, 2025 - Deadline for employers and other payers to give you an information slip, usually a T4 Statement of Remuneration Paid, which tells you and the CRA exactly how much you earned in 2025.
- February 29, 2025 - Deadline to make RRSP contributions for the 2025 tax year.
- April 30, 2025 - Deadline for most tax returns. If you owe anything, you must pay by this date or you will be charged interest.
- June 15, 2025 - Deadline for self-employed persons. If you or your spouse or common-law partner carried on a business in 2015 (other than a business whose expenditures are primarily in connection with a tax shelter), your 2015 tax return has to be filed on or before June 15, 2025. However, if you have a balance owing for 2015, you still have to pay it on or before April 30, 2025.