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Canada sets post-Labour Day countdown for US retaliation

8/23/2026

The tension in Prime Minister Mark Carney's counter-tariff briefing is not whether Canada retaliates against the United States. It is when, and what the timing tells markets about Ottawa's read of the moment.

Carney has briefed provincial premiers on a counter-tariff strategy and set a post-Labour Day start date for retaliatory measures, moving the policy from conditional threat to fixed calendar.

The case for reading both elements as deliberate: counter-tariffs on US goods carry real domestic costs, and those costs land unevenly across provinces.

Bringing premiers into the strategy before implementation means Carney is building the coalition he needs to hold behind the policy once the pass-through becomes visible.

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