U.S. Imposes Section 338 Tariffs on Certain Canadian Imports (CBP Guidance on Further Modifications)
On Oct. 29, 2026, CBP issued filing guidance for the October 30 changes to the 50% Section 338 duties on certain Canadian goods, following President Trump's Oct. 23 proclamation. Under the revised scope, 100 additional HTSUS classifications are now subject to the 50% duty, while certain other classifications are no longer covered. CBP also published an updated HTSUS list identifying the classifications affected by the changes.