Because this is a by-election, they are obliged to register with Elections Canada and vote by mail. Elections Canada sends voting kits to five inmates who register after the writ is issued and whose ordinary residence is in Hamilton East; four of them return their special ballots by the prescribed deadline. ###>Mais puisqu'il s'agit d'une élection partielle, ils doivent s'inscrire à Élections Canada et voter par la poste.