What to know Canada Post and the Canadian Union of Postal Workers (CUPW) finalized the remaining point in their tentative agreements for the next five years. After months of negotiations, Canada Post has finalized a tentative agreement with the Canadian Union of Postal Workers. CUPW, which represents 53,000 postal workers, has been hammering out a deal with Canada Post since the fall of 2025. After reaching tentative agreements in December, the parties recently worked to finalize some outstanding contractual language. The tentative agreements include higher wage increases, enhanced benefits and a weekend parcel delivery model,” Canada Post said in a statement Thursday morning.