The union representing about 55,000 Canada Post employees has called for a countrywide overtime ban, saying its negotiators will continue to review the latest offers from the mail carrier.

Simpson said the union went with an overtime ban instead of a full strike to “minimize disruptions to the public, and lost days to members.”

Canada Post said on Friday that operations will continue, but customers may face delays due to a union-imposed ban limiting workers to eight-hour shifts. The Canadian Union of Postal Workers (CUPW) announced an immediate nationwide overtime ban,