Here are the important dates you need to know regarding recent changes
Individuals : Federal & Quebec
Filing Deadline: April 30, 2021
Payment Due Date: April 30, 2021
Self-employed
Filing Deadline: June 15, 2021
Payment Due Date: September 1, 2021
Trusts with a tax year end of Dec 31, 2020
Filing Deadline: May 1, 2021
Payment Due Date: September 1, 2021
Corporations
Federal & Quebec with a filing due date after March 18 and before June 1
Filing Deadline: June 1, 2021
Payment Due Date: September 1, 2021
Alberta
6 months after year-end
Payment Due Date: August 31
Canadians with US tax filing
Filing Deadline: July 15