Generally, your return for 2019 has to be filed on or before April 30, 2020.
Self-employed persons
If you or your spouse
or common-law partner carried on a business in 2019 (other than a business whose expenditures are primarily in connection with a tax shelter), your return for 2019 has to be filed on or before June 15, 2020.
However, if you have a balance owing for 2019, you have to pay it on or before April 30, 2020.