U.S. Adjusts Section 232 Tariffs on Aluminum, Steel, and Copper (New Proclamation Further Adjusting Tariff Regimes; CBP Guidance Available)
Effective April 6, 2026, Section 232 tariffs on aluminum, steel, and copper apply to the full customs value of imports. Rates include 50%, 25%, and 15% through 2027. A June 1 proclamation adjusts Annex I-C rates, expands coverage, and lowers thresholds. CBP guidance provides updated HTS classifications and reporting rules effective June 8, 2026.