These are some of the applicable deadlines:
January 26, 2026 IRS e-filing opened for US returns
February 23, 2026 CRA e-filing opens for Canadian returns
March 2, 2026 – deadline for RRSP contributions for 2024.
February 28, 2026 – T4 and T5 slips have to be issued
March 16, 2026 – deadline for first Canadian tax instalments for 2025.
March 31, 2026 – deadline for trust returns
March 31, 2026 – T3 slips are required to be issued
April 15, 2026 – deadline for filing American returns if resident/present in the USA.
April 15, 2026 – deadline for first American estimated tax payment for 2025
April 30, 2026 – deadline for filing Canadian returns, except if you are self-employed.
June 15, 2026 – deadline for second Canadian tax instalments for 2025.
9. June 15, 2026 – deadline for American returns if you are an ex-pat, and not present in the USA (taxes still due and payable April 15, 2026).
10. June 16, 2026 – deadline for filing Canadian returns if you are self-employed (taxes still due and payable April 30, 2026).
If you are required to make tax instalments or estimated tax payments, I urge you to make those payments. Canada charges an interest rate of 7% on late tax payments. The USA charges an interest rate of 7%.
