Presidential Proclamation Further Adjusts §232 Tariff Regimes for Aluminum, Steel, and Copper

The White House issued a proclamation on June 4, 2026 further adjusting the §232 tariff regimes for imports of aluminum, steel, and copper into the United States. The action modifies existing tariff structures for aluminum and steel and extends or adjusts copper import tariffs under the national security authority. This builds on a series of prior §232 proclamations governing these three industrial...