CRA Filing Deadlines for Canadian Small Businesses
Key dates for sole proprietors, side hustlers, and GST/HST registrants.
Key Annual CRA Deadlines for Sole Proprietors
| Date | Deadline | Applies To |
|---|---|---|
| March 15 | Q4 tax instalment payment | Self-employed with instalment obligations |
| April 30 | All taxes owing must be paid | All taxpayers — interest starts May 1 |
| April 30 | GST/HST annual return due | Annual GST/HST filers (calendar fiscal year) |
| June 15 | T1 personal tax return filing deadline | Self-employed individuals and their spouses |
| Quarterly | GST/HST quarterly return (due 1 month after quarter end) | Quarterly GST/HST filers |
| Mar 15, Jun 15, Sep 15, Dec 15 | Quarterly tax instalment payments | Self-employed owing >$3,000 in tax |
Live deadlines with days remaining are shown below. Dates above are recurring annual — confirm current year dates with CRA.
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