On October 23, 2026, President Trump issued a new proclamation — Further Modifying the Scope of Products of Canada Subject to the Additional Duties Imposed to Offset Canadian Discrimination Against the Commerce of the United States With Respect to Motor Vehicles — once again adjusting the list of Canadian-origin products subject to the 50% ad valorem duties imposed under Section 338 of the Tariff Act of 1930. The changes take effect for goods entered, or…