MHDV

Herbert Hoover Building Commerce Department 14th Street Washingt

On July 28, 2026, the U.S. Department of Commerce (Commerce) published a federal notice stating that U.S. manufacturers of engines for cars and medium- and heavy-duty trucks (MHDVs) can now receive tariff offsets for sectoral duties on imported parts. The U.S. International Trade Administration said the new process sets rules similar to the offsets announced in May for vehicle makers that use imported parts.

Dec 8, 2019 Bakersfield / CA / USA - Car transporter carries new Tesla vehicles along the interstate to South California, back view of the trailer

On June 29, 2026, U.S. Customs and Border Protection (CBP) released CSMS # 69087399, providing guidance for the import adjustment offset program applicable to Section 232 duties on automobile and medium and heavy-duty vehicle (MHDV) parts. We summarize below the latest guidance from CBP and procedural steps for claiming offsets against Section 232 duties.