Most tax penalties in BC have nothing to do with hard questions. They come from a date slipping past while you were running the business. This page lists every fixed CRA and WorkSafeBC deadline a BC owner-operator faces from July 2026 through June 2027, verified against the published CRA and WorkSafeBC dates.
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The deadlines, July 2026 to June 2027
| Date | Deadline | Who |
|---|---|---|
| Jul 20, 2026 | WorkSafeBC Q2 payroll report and premium payment | Quarterly-reporting employers |
| Sep 15, 2026 | CRA personal tax instalment, third payment of 2026 | Individuals asked to pay instalments |
| Oct 20, 2026 | WorkSafeBC Q3 payroll report and premium payment | Quarterly-reporting employers |
| Dec 15, 2026 | CRA personal tax instalment, final payment of 2026 | Individuals paying instalments |
| Jan 20, 2027 | WorkSafeBC Q4 payroll report and premium payment | Quarterly-reporting employers |
| Mar 1, 2027 | T4, T4A and T5 slips filed with CRA and given to employees. The last day of February is a Sunday, so the date moves to Monday | Every employer; corporations paying dividends |
| Mar 1, 2027 | RRSP contribution deadline for the 2026 tax year | Individuals with RRSP room |
| Early Mar 2027 | WorkSafeBC annual payroll report and payment for 2026. WorkSafeBC sets your date and emails it in January | Annual-reporting employers |
| Mar 15, 2027 | CRA personal tax instalment, first payment of 2027 | Individuals paying instalments |
| Apr 30, 2027 | T1 return filed and any balance paid for 2026. Self-employed file later but payment is still due today | All individuals |
| Jun 15, 2027 | Self-employed T1 filing. GST/HST annual returns for sole proprietors with a Dec 31 year-end, and the June instalment, land the same day. The GST/HST payment was still due Apr 30 | Self-employed individuals and spouses |
Corporate T2 returns and corporate GST/HST dates depend on your fiscal year-end, and BC PST due dates depend on the filing frequency the province assigned you. Those are worth confirming for your own numbers rather than a generic calendar.
Two dates catch people every year
April 30 for the self-employed. The June 15 filing extension does not extend the payment. Any balance owing starts collecting interest May 1, whether the return is filed or not.
The last day of February. T4 and T5 slips carry per-slip late penalties. In 2027 the last day of February is a Sunday, so slips are due Monday, March 1. The WorkSafeBC annual payroll report is due in early March. February is short. Plan for it in January.
A deadline on this list making you uneasy?
Tell us which one and we will tell you what it takes to be ready for it. Two offices in the Fraser Valley, Abbotsford and Langley, or call 778-779-4212.
General information only. Talk to us about your situation.
One date is not on the CRA calendar but belongs on yours: B.C. announced 7% PST on accounting services for October 1, 2026, then paused it on September 18, 2026. No new start date has been set.