Adjusting Imports of Medium- and Heavy-Duty Vehicles , Medium- and Heavy-Duty Vehicle Parts, and Buses into the United States

This proclamation imposes, under section 232 of the Trade Expansion Act, a 25 percent ad valorem duty on imports of medium- and heavy-duty vehicles and specified parts and a 10 percent duty on buses, effective November 1, 2025. It directs the Secretary of Commerce to administer an import adjustment offset equal to 3.75 percent of the aggregate value of U.S.-assembled vehicles, available from November 1, 2025 through October 31, 2030, and to establish USMCA content-based duty reductions and a process for adding parts to the tariffs' scope. It also amends Proclamation 10925 and authorizes reductions of steel and aluminum tariffs under Proclamations 9704 and 9705 for Canadian or Mexican producers supplying U.S. vehicle manufacturers.

• All

Immediate.

None.

No known legal challenges.