Proclamation 11032
Further Adjusting the Tariff Regimes for Imports of Aluminum, Steel, and Copper Into the United States
This proclamation modifies existing Section 232 tariffs on aluminum, steel, and copper by expanding the 15% reduced tariff rate to agricultural equipment and certain residential HVAC systems, temporarily modifying tariffs on mobile industrial equipment and machinery, adding aluminum lithographic plates and steel racks to tariff coverage, and lowering the domestic content threshold for preferential treatment from 95% to 85%. The changes take effect June 8, 2026, with a temporary rate structure lasting through December 31, 2027, before reverting to Proclamation 11021 rates on January 1, 2028.