Important Dates for the By-Elections
| February 27th, 2020 – By-elections in Orléans (076) and Ottawa-Vanier (080) | |
| Writ Date: | Wednesday January 29, 2020 |
| Nominations close: | Thursday February 13, 2020 at 2:00 PM (Eastern Time) |
| Polling day: | Thursday February 27, 2020 |
| Campaign Period | |
| From: | Wednesday January 29, 2020 |
| To: | Wednesday May 27, 2020 |
| Political Advertising | |
| Blackout period: | There is a blackout on political advertising from 12:01 AM (Eastern Time) on February 26 to 11:59 PM (Eastern Time) on February 27. |
| Prohibition on publishing surveys: | The publication of election surveys that have not previously been made public is prohibited between 12:01 AM and 9 PM (Eastern Time) on February 27. |
| Financial statements due to be filed: | Thursday August 27, 2020 |