In a proclamation published on June 1, 2026, the White House announce that was making modifications to certain products under Section 232 duties for aluminum, steel, and copper.

Agricultural equipment and heating, ventilation and air conditioning (HVAC) equipment will be added to Annex III and have its duty reduced to an all-in 15% Section 232 duty. Certain mobile industrial equipment and machinery will be eligible for tariff breaks if they qualify for USMCA treatment.

In addition, this proclamation adds certain steel racks and aluminum lithographic plates to the list of goods that will now be subject to 25% Section 232 tariffs.

These changes will go into effect on June 8, 2026.

The “Further Adjusting the Tariff Regimes for Imports of Aluminum, Steel, and Copper into the Unites States” president proclamation and links to the updated annexes can be found here:
https://www.whitehouse.gov/presidential-actions/2026/06/further-adjusting-the-tariff-regimes-for-imports-of-aluminum-steel-and-copper-into-the-united-states/