Template:Did you know nominations/Sinclair-Desgagné v. Canada (Chief Electoral Officer)

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... that the Supreme Court of Canada set aside an election in a federal district in Quebec after one postal vote was not counted?

Source: Global News: Supreme Court annuls 2025 one-vote Liberal win in Montreal riding, February 13, 2026: The Supreme Court of Canada has annulled a one-vote win by Prime Minister Mark Carney’s Liberals in a Montreal-area riding in the 2025 federal election, a decision which will force a byelection and pushes the governing party further away from a majority in the House of Commons. ... Liberal Tatiana Auguste beat Bloc Québécois incumbent Nathalie Sinclair-Desgagné in Terrebonne by one vote in last spring’s general election, but it quickly emerged that one BQ supporter had her mail-in ballot returned because of an addressing error by Elections Canada, an error Elections Canada admitted to at the time. Sinclair-Desgagné challenged the election results in court after learning that BQ supporter Emmanuelle Bossé had her mail-in ballot returned to her own mailbox, due to an error on the postal code printed on a label supplied by Elections Canada. Sinclair-Desgagné’s challenge was rejected by the Quebec Superior Court. She appealed to the Supreme Court, and on Friday the court overturned that ruling within a few hours of hearing oral arguments from lawyers for both the Liberals and the BQ.

- ALT1: ... that the Supreme Court of Canada did not give its reasons for annulling an election in a federal district in Quebec? Source: Montreal Gazette: "Supreme Court of Canada annuls single-vote win in Terrebonne riding, vacating seat", February 13, 2026: "Chief Justice Richard Wagner simply announced the decision reflected the opinion of the majority of the nine justices, and the reasons would be specified in a written decision to be released later."
- Reviewed: Template:Did you know nominations/Battle of Mucellium
- Comment: (1) I posted this article on Monday, May 18, my time, and I'm posting this DYK nomination on Monday, May 25, my time. If it's outside the 7 day limit by a few hours, I hope that can be accommodated. (2) Just realised that I didn't include the name of the federal riding, which is Terrebonne. I don't want to edit the version as nominated, but if this gets approved, can we consider adding Terrebonne to the hook?

Created by Mr Serjeant Buzfuz (talk). Number of QPQs required: 1. Nominator has 10 past nominations.

Mr Serjeant Buzfuz (talk) 04:36, 26 May 2026 (UTC).