Section 232 tariffs
Section 232 of the Trade Expansion Act of 1962 lets the President adjust imports of goods that the Commerce Department finds threaten to impair national security, including by adding duties.
In effect today
- Section 232 tariffs on unmanned aircraft systems (drones) and partsDrone tariff (Section 232)In effectSince Sep 3, 2026
- Section 232 tariffs on patented pharmaceuticals and pharmaceutical ingredientsPatented-medicine tariff (Section 232)In effectSince Jul 31, 2026
- Section 232 tariffs on steel, aluminum and copperSteel, aluminum and copper tariff (Section 232)In effectSince Apr 6, 2026
- Section 232 tariff on semiconductors (certain advanced computing chips)Advanced chip tariff (Section 232)In effectSince Jan 15, 2026
- Section 232 tariffs on medium- and heavy-duty vehicles, their parts and busesTruck and bus tariff (Section 232)In effectSince Nov 1, 2025
- Section 232 tariffs on timber, lumber and wood productsWood products tariff (Section 232)In effectSince Oct 14, 2025
- Section 232 tariffs on passenger vehicles, light trucks and auto partsAuto and auto-parts tariff (Section 232)In effectSince Apr 3, 2025