The following is a summary of important tax deadlines for residents of Canada, non-residents, and corporations.

Residents of Canada

• March 31 - Annual GST Returns for Proprietors due
• April 30 - Personal Tax Returns (not business) due
• April 30 - Tax payment date for Proprietors due
• June 15 - Personal Tax Returns for Proprietors due

Non-Residents

• March 31 - Annual GST Returns due
• April 30 - Tax Payment due
• June 30 - Tax  Returns filing due
• Dec 31 - NR(6) forms and Regulation 805 Waiver forms due
• March 31 - NR(4) forms due

Corporate

• 2 Months  - After Year End Tax payment due
• 6 Months - After Year End Tax return filing due
• Monthly - End of month, Corporate tax installment due
• 15th of Month - Payroll Source Deductions and PST due