Proclamation — Adjusting Imports of Medium- and Heavy-Duty Vehicles, Parts, and Buses

Proclamation — Adjusting Imports of Medium- and Heavy-Duty Vehicles, Parts, and BusesDate: October 17, 2025Action: Presidential Proclamation under Section 232 of the Trade Expansion Act to address national security risks from rising imports of medium- and heavy-duty vehicles (MHDVs), vehicle parts (MHDVPs), and buses.TariffsUSMCA treatmentImport adjustment offsets (2025–2030)Harmonization with auto programSteel/aluminum adjustmentsAdministration and scopeCommerce found imports and foreign dependency threaten national security:Goal: Stabilize U.S.-produced market share and strengthen domestic capacity, supply chains, investment, and innovation.Key measuresRationale