Overview
- After last‑minute talks in Washington collapsed late Friday, President Donald Trump’s administration put 50% duties into force on about $20 billion of Canadian exports at 00:01 on Saturday, August 22, 2026.
- Ottawa immediately suspended negotiations and announced equivalent retaliatory tariffs that Prime Minister Mark Carney said will take effect on September 8 and match U.S. duties “dollar for dollar.”
- The tariffs cover hundreds of products including wine, hockey equipment, cement and some items usually protected under ACEUM and amount to roughly 5–5.5% of Canada’s exports to the United States.
- Officials on both sides blamed the other for the collapse — USTR Jamieson Greer said Canada made new demands, while Carney said U.S. last‑minute changes were unjust — and both signalled readiness to escalate and to use domestic support measures.
- Beyond immediate sector pain for manufacturers, agri‑food and forestry supply chains, the dispute exposes limits on Ottawa’s bargaining (provincial control of alcohol sales), relies on old U.S. tariff authority, and complicates plans to renew or manage the ACEUM.