Sole Proprietors & Self-Employed Individuals

June 15, 2026

• Deadline to file your personal tax return if you or your spouse/common-law partner are self-employed

April 30, 2026

• Deadline to pay any balance owing (even though filing deadline is later)

March 3, 2026

• RRSP contribution deadline (same as individuals)

Quarterly Instalments (if applicable)

• March 15, June 15, September 15, December 15, 2026

 Important: Filing late after June 15 can still result in penalties, even if no tax is owed.