Notice of Technical Corrections to the Harmonized Tariff Schedule of the United States for Duties Imposed by Presidential Proclamation 11021

The President issued Proclamation 11021 "Strengthening Actions Taken to Adjust Imports of Aluminum, Steel, and Copper Into the United States," (Presidential Proclamation) on April 2, 2026, to adjust imports of metal products to address more effectively threats to the national security. In the Presidential Proclamation, the President authorized the Secretary of Commerce (the Secretary) to publish modifications to the Harmonized Tariff Schedule of the United States (HTSUS) to effectuate or implement the Presidential Proclamation. The Secretary also is authorized to make any technical corrections to any Annex of the Presidential Proclamation. This notice issues two technical corrections to Annex IV of the Proclamation and a clarification.