(For returns filed in 2026)
Use this checklist to stay on top of your Canadian tax obligations and avoid late-filing penalties or interest.
✅ Personal Income Tax – Individuals
☐ January–February 2026
Gather tax slips (T4, T5, T3, RRSP receipts, tuition slips, etc.)
☐ March 2, 2026
RRSP contribution deadline for the 2025 tax year
☐ April 30, 2026
• Individual income tax return filing deadline
• Payment deadline for any balance owing
☐ April 30, 2026
Pay taxes owing even if filing late (to avoid interest)
✅ Self-Employed Individuals
☐ April 30, 2026
Payment deadline for 2025 taxes
☐ June 15, 2026
Filing deadline for self-employed individuals and their spouse/common-law partner
☐ Confirm if tax instalments are required
(Net tax owing over $3,000 in prior years)
✅ Individual Tax Instalments (If Required)
☐ March 15, 2026 – 1st instalment
☐ June 15, 2026 – 2nd instalment
☐ September 15, 2026 – 3rd instalment
☐ December 15, 2026 – 4th instalment
✅ GST/HST (Business Owners)
☐ Confirm filing frequency (Monthly / Quarterly / Annually)
☐ Annual filers (Dec 31 year-end):
• April 30, 2026 – Payment deadline
• June 15, 2026 – Filing deadline
☐ Quarterly filers:
Payments typically due 1 month after each quarter end
✅ Corporations
☐ Corporate tax instalments
(Monthly or quarterly during 2025, if required)
☐ T2 Corporate Tax Return
Due 6 months after fiscal year-end
☐ Corporate tax balance payment
• Due 2 months after year-end
• 3 months if eligible CCPC
✅ Important Reminders
☐ Deadlines falling on weekends or holidays move to the next business day
☐ Keep copies of all tax documents for at least 6 years
☐ Interest applies immediately on late payments — even if returns are filed on time
🏷️ Prepared by:
Expert Fiscaliste
Your trusted partner for Canadian tax planning and compliance
About Expert Fiscaliste
Call Now: 514-954-9031
Email: will@expert-fiscaliste.ca
Visit our Contact Page
At Expert Fiscaliste, we specialize in providing expert income tax preparation and consulting services for both individuals and businesses.
The 2025 Tax Season is Now Open!
The Netfile and Refile systems for CRA and Revenu Québec are officially open, so it’s the perfect time to file your 2025 tax returns. Let us help you navigate the process and ensure your returns are filed correctly and on time.
How to Get Started:
- 📞 Call us at 514-954-9031
- 📧 Email us at will@expert-fiscaliste.ca
- 🌐 Visit our Contact Tax Page for more information
Expert Fiscaliste: Your trusted partner in maximizing your tax savings and ensuring full compliance.
