Deadline to file your 2025 T-slips with the Canada Revenue Agency (CRA)

The deadline to file 2025 T-slips (such as T4, T4A, T5, T5007, T5008) with the Canada Revenue Agency (CRA) is March 2, 2026. Because the last day of February 2026 (February 28) falls on a Saturday, the deadline is extended to the next business day.