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 2:00pm) |
| Polling day: | Thursday February 27, 2020 |
| Campaign Period | |
| From: | Wednesday January 29, 2020 |
| To: | Wednesday May 27, 2020 |
| Political Advertising | |
| Blackout period: | Begins at Midnight (ET) on Tuesday February 25, 2020 Ends at 11:59pm (ET) on Thursday February 27, 2020 |
| Prohibition on publishing surveys: | Begins at Midnight (ET) on Wednesday February 26, 2020 and ends at 9:00pm (ET) on Thursday February 27, 2020 |
| Financial statements due to be filed: | Thursday August 27, 2020 |