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Trump Administration Revamps Section 232 Metal Duties, Bringing Clarity and New Complexity to Tariffs on Derivative Products
In an April 2, 2026 Proclamation, the Trump administration made significant changes to the implementation of the existing tariffs on steel, copper, and aluminum products and derivative articles under Section 232 of the Trade Expansion Act (“Section 232”). Since June 2025, Section 232 duties on mixed metal and non-metal products have been calculated based on the value of the steel, aluminum or copper content within the article. This instruction to separate out metal versus non-metal content resulted in considerable confusion regarding the methodology to determine the price paid by the importer for steel or aluminum consistent with the principles of 19 U.S.C. 1401a.


