- T4’s, T5’s, are due on February 28, 2018. If it falls on a Saturday or Sunday, it is due the next business day.
- T5013 returns, for partnerships, are due March 31st, 2018, if your year end is December 31st, 2017.
- T5018 Statement of Contract Payments, are due 6 months after the end of the reporting period you have chosen or June 30. Once you pick that deadline you stick with that.
- If you are a sole proprietor, your tax payment is due April 30, 2018, and your tax return is due June 15, 2018.
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