Strengthening Actions Taken to Adjust Imports of Aluminum, Steel, and Copper Into the United States

This proclamation designates actions to strengthen import controls on aluminum, steel, and copper for the period beginning with its issuance on April 2, 2026, by expanding and adjusting tariff regimes established under prior section 232 proclamations and related amendments. It directs the Secretary of Commerce to include additional metal and derivative articles within the existing additional ad valorem duties and to monitor import effects on national security, with specified tariff regimes and past proclamations cited as authorities.