- This event has passed.
HST Filing Deadline – April 30 (March Reporting)
April 30
Who must file: Monthly GST/HST filers.
What period it covers: March 1–31, 2026.
Penalty reminders: CRA applies penalties and interest for late filing.
Who must file: Monthly GST/HST filers.
What period it covers: March 1–31, 2026.
Penalty reminders: CRA applies penalties and interest for late filing.