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Your next 12 months of CRA deadlines.

Three questions in, every date that applies to you out — weekends already rolled to the next business day, with a calendar file that carries a one-week warning per deadline.

Employees on payroll?

7 deadlines in your next 12 months

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  1. Jul 31, 2026HSTHST return + payment — quarter ending June 2026Quarterly filers: file and pay one month after the quarter ends. (Assumes calendar quarters — yours may differ.)
  2. Nov 2, 2026HSTHST return + payment — quarter ending September 2026Quarterly filers: file and pay one month after the quarter ends. (Assumes calendar quarters — yours may differ.)
  3. Feb 1, 2027HSTHST return + payment — quarter ending December 2026Quarterly filers: file and pay one month after the quarter ends. (Assumes calendar quarters — yours may differ.)
  4. Mar 31, 2027Tax $Corporate tax balance dueThree months after year-end for most CCPCs claiming the small business deduction (two months for some corporations) — the filing deadline comes later, the MONEY is due now.
  5. Apr 30, 2027HSTHST return + payment — quarter ending March 2027Quarterly filers: file and pay one month after the quarter ends. (Assumes calendar quarters — yours may differ.)
  6. Jun 30, 2027T2T2 corporate return dueSix months after your December year-end. File even when no tax is owing.
  7. Jun 30, 2027T5018T5018 slips due (construction)If you pay subcontractors for construction services: slips + summary are due six months after fiscal year-end.

General guidance for common situations, not advice for yours — instalments, special remitter categories, and non-calendar HST quarters can shift dates. Public holidays extend deadlines to the next business day. Want us to just track these for you?