Sometime before March 18, 2019, a by-election will be announced for the seat in the House of Commons representing Burnaby South in the province of British Columbia.

On September 17, the Chief Electoral Officer of Canada, Stéphane Perrault, received official notice from the Speaker of the House of Commons that the seat for Burnaby South (British Columbia) became vacant following the resignation of Kennedy Stewart, who resigned on September 14 in order to run for mayor of Vancouver.

Under the law, the by-election date must be announced between September 28, 2018, and March 18, 2019, and will signal the start of the by-election period.

According to Elections Canada, the earliest date the by-election can be held is November 5, 2018.