Canada Post workers union loses challenge of back-to-work order

Canada Post workers union loses challenge of back-to-work order

Politics,Breaking

The Canada Industrial Relations Board has rejected the Canada Post workers union’s argument that the government’s return-to-work order was unconstitutional.

The government had ordered to end the strike of postal workers last December.

An employee wears a strike symbol.
Photo of Canada Post workers striking at the Canada Post Processing Center in Richmond, BC on September 26, 2025. (Ben Nelms/CBC)

The Canada Industrial Relations Board (CIRB) has rejected the Canada Post Workers Union’s argument that the government’s return-to-work order was unconstitutional.

In December 2024, the federal Minister of Labor exercised his authority under section 107 of the Canada Labor Code to direct the CIRB to end the postal workers’ strike and take over the arbitration of the dispute.

Canada Post has argued that using section 107 to end the strike was unconstitutional.

In a hearing decision, the CIRB found that the right to strike is “essential” but “not absolute.” One member of the three-member board disagreed.

CUPW also petitioned for judicial review, but no decision has been taken to date by the Federal Court.

more to come

About the author

Ben Andrews is a reporter for CBC News in Ottawa. He can be reached at benjamin.andrews@cbc.ca or @bendandrews.

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