Deadlines

When slips arrive, when returns are due, and what happens to a late one.

4 articles in this topic

• Filing late or asking for more time

  What filing a T1 late costs, why the CRA grants no extension to ask for, and why a late return is still far better than no return at all.

  DeadlinesAfter you fileFiling your return

• When your Canadian T1 return is due

  Your 2026 T1 return is due 30 April 2027, and any balance owing is due the same day. Late filing costs 5 per cent of the balance plus 1 per cent a month.

  DeadlinesFiling your return

• When your slips should arrive

  A 2026 T4 must reach you by the last day of February 2027. Here is what to do when that date passes and nothing has come.

  DeadlinesUploading documentsFixing problems

• Your T4 never arrived

  What to do when February passes and no T4 has come. You still have to file on time, and the CRA has a route for a missing slip.

  Fixing problemsUploading documentsDeadlines

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