U.S. Customs has released to be consistent with the Proclamation 10947 issued on June 3, 2025. The links to the CSMS messages and Federal Register notices with the list of tariff codes are below.
CSMS # 65289012 – UPDATED GUIDANCE: Import Duties on Imports of Steel and Steel Derivative Products
Federal Register – Adjusting Imports of Aluminum and Steel Into the United States