May tax deadlines & calendar

Stay on top of your tax responsibilities with our May tax deadlines. Each month, I outline some of the key dates and payment obligations that Canadian taxpayers need to meet, whether you’re a business owner or an individual. Keep reading for a breakdown of the important deadlines to help you stay compliant and avoid penalties.

Want to know all the deadlines based on your corporate year-end? Check out our Tax Calendar page for details.

Canadian corporate tax deadlines

Year-endDeadlineDetails
April 30May 31Date to have your bookkeeping to us if we do your tax returns and financial statements. For details on what we need for the year-end, please contact your accounting manager or director. Not sure who this is? Ask me!
March 31May 31Taxes owing due if your company earns inactive income (such as rent, interest, dividends).
February 28May 31Generally speaking, taxes owing due if your company earns active income which was less than $500,000 last year (for all associated companies). Exceptions apply.
November 30May 31Tax return due.
November 30June 15If there was a year-end bonus, then the payroll remittance is generally due unless you are an “early remitter” and need to remit sooner.

Resources

For additional resources related to the tax deadlines, see:

More questions?

Still have questions about May tax deadlines, or other deadlines? I want to help you Do wonderful things®, so please contact me today.

Remember – circumstances are unique! This information is summary in nature. Seek out advice from your tax advisor about your specific situation.