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Canada's retaliatory tariffs on U.S. goods set for September 8

8/22/2026

North American trade relations are now running against a fixed deadline. Canada's retaliatory tariffs on U.S.

goods are scheduled to take effect on September 8, setting a hard date for a cross-border dispute between two closely linked economies.

The September 8 date is the central read-through for businesses with North American exposure. When retaliatory tariffs move from schedule to enforcement, supply chains that straddle the Canada-U.S.

border face a direct cost increase. The question for companies on both sides is whether the two governments will move toward a resolution before the deadline arrives.

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