- This event has passed.
HST Filing Deadline – July 31 (June Reporting)
July 31
Who must file: Monthly GST/HST filers.
What period it covers: June 1–30, 2026.
Penalty reminders: Late filing triggers penalties and interest.
Who must file: Monthly GST/HST filers.
What period it covers: June 1–30, 2026.
Penalty reminders: Late filing triggers penalties and interest.