β‘ 2026 Key Dates at a Glance
- March 3, 2026 β RRSP contribution deadline (for 2025 tax year)
- April 30, 2026 β T1 personal return filing deadline & taxes owing due
- June 15, 2026 β Filing deadline for self-employed (taxes still due April 30)
- June 30, 2026 β Corporate T2 deadline (6 months after Dec 31 year-end)
Why Deadlines Matter
Missing a CRA deadline triggers automatic late-filing penalties (5% of balance owing + 1% per month, up to 12 months) and interest on unpaid balances compounded daily. Filing on time β even if you can't pay in full β eliminates the late-filing penalty.
Every 2026 CRA Deadline
March 3, 2026 β RRSP Contribution Deadline
The last day to make RRSP contributions that count toward your 2025 tax year deduction. Your personal limit is 18% of your 2024 earned income, up to $32,490 plus any unused room carried forward. Check CRA My Account for your exact limit.
April 30, 2026 β Personal T1 Filing Deadline
The standard deadline to file your T1 personal income tax return for the 2025 tax year. Any balance owing must also be paid by April 30 to avoid daily compounded interest β even if you're a self-employed filer with a June 15 filing deadline.
June 15, 2026 β Self-Employed Filing Deadline
Self-employed individuals and their spouses have until June 15 to file their return. However, any taxes owing are still due April 30. Filing after April 30 with an unpaid balance means interest accumulates from May 1 onward.
June 30, 2026 β Corporate T2 Deadline (Dec 31 Year-End)
Canadian-controlled private corporations (CCPCs) with a December 31, 2025 fiscal year-end must file their T2 corporate return by June 30, 2026. Any corporate balance owing is due within 2β3 months of the fiscal year-end depending on the corporation type.
HST/GST Filing Deadlines
| Filing Frequency | Period | Deadline |
|---|---|---|
| Annual (individuals) | Jan 1 β Dec 31, 2025 | June 15, 2026 |
| Annual (corporations) | Fiscal year 2025 | 3 months after year-end |
| Quarterly | OctβDec 2025 quarter | Jan 31, 2026 |
| Monthly | Each month | One month after period-end |
Instalment Payment Dates (2026)
If you owed more than $3,000 in net taxes for 2024 or 2025, the CRA requires quarterly instalment payments in 2026:
- March 15, 2026
- June 15, 2026
- September 15, 2026
- December 15, 2026
Missing instalments results in interest charged at the prescribed rate. Our team calculates your correct instalment amounts and remind you of payment dates.
Late Filing β What Happens?
If you file late with a balance owing: 5% of the balance + 1% per month (up to 12 months) for first-time late filers. Repeat late filers face 10% + 2% per month (up to 20 months). If you're expecting a refund, there's no penalty for late filing β but your refund is delayed.