Canada–U.S. tariff war deepens with counter-duties and import bans
Canada’s counter-tariffs of 15–50% on about C$27.6 billion of U.S. goods took effect Sep 8 after U.S. Section 338 duties. Washington has also teed up Sep 29 import bans on selected Canadian alcohol, dairy, and motorcycles, with further auto-related threats into 2027.
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What happened
Canada’s counter-tariffs of 15–50% on about C$27.6 billion of U.S. goods took effect Sep 8 after U.S. Section 338 duties. Washington has also teed up Sep 29 import bans on selected Canadian alcohol, dairy, and motorcycles, with further auto-related threats into 2027.
3 listed sources
- Canada.ca
- Dentons
- Legal500 analysis, Sep 2026
References listed by US Brief; a source count is not a verification score.
Editorial sourcing notes
Explainer-style expansion of the Sep 23, 2026 briefing bullet. Stays within verified claims from named outlets; not an exclusive investigation.
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