On October 23, 2026, the U.S. Administration issued a new Presidential Proclamation further modifying the scope of Canadian products subject to the additional 50% ad valorem duties imposed under Section 338 of the Tariff Act of 1930.
The proclamation amends previous tariff measures introduced under Proclamation 11048 and subsequently modified by Proclamation 11065.Key Changes
- Products Exempted from the Additional 50% Duty: Certain Canadian-origin products listed in Annex I, Part A, will no longer be subject to the additional tariff. These include selected plastics and packaging materials, plywood, paper products, and industrial machinery.
- Products Newly Subject to the Additional 50% Duty: Products identified in Annex I, Part B, will become subject to the additional tariff, including certain cocoa products, chemicals, plastics, wood products, carpets, floor coverings, and machinery, subject to applicable exceptions.
- Additional Tariff Applicability: The Section 338 duties will continue to apply in addition to any applicable duties imposed under Section 232 of the Trade Expansion Act of 1962.