On Monday, January 30, 2023, the Chief Electoral Officer of Canada, Stéphane Perrault, received official notice from the Speaker of the House of Commons that the seat for Oxford (Ontario) is vacant. A by-election will take place to fill the vacant seat.
The date of the by-election must be announced between February 10 and July 29, 2023. This announcement signals the start of the by-election period.