Section 232 Investigations

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On April 15, 2025, President Donald Trump issued an Executive Order (EO) directing the Department of Commerce (Commerce) to initiate an investigation under Section 232 of the Trade Expansion Act of 1962 to determine the effects on national security of imports of processed critical minerals and their derivative products. Because “processed critical minerals and their…

On April 1, 2025, it was announced that the Department of Commerce had initiated an investigation under Section 232 of the Trade Expansion Act of 1962 to determine the effects on the national security of imports of semiconductors and semiconductor manufacturing equipment (SME), and their derivative products. This includes, among other things, semiconductor substrates and…

On April 1, 2025, it was announced that the Department of Commerce had initiated an investigation under Section 232 of the Trade Expansion Act of 1962 to determine the effects on the national security of pharmaceuticals and pharmaceutical ingredients and their derivative products. This includes both finished generic and non-generic drug products, medical countermeasures, critical…

On April 7, 2025, President Donald Trump issued a Presidential Memorandum directing the Secretary of the Treasury and others in his administration to conduct a new review of the acquisition of U.S. Steel Corporation by Nippon Steel Corporation “to assist me in determining whether further action in this matter may be appropriate.” Citing former President…

UPDATED: This blog post has been updated with additional information and links upon the release of the Annexes to the Executive Order. Readers should note that the breadth and depth of this Executive Order and the implementation of these tariffs is unprecedented, thus the situation regarding interpretation and their implementation remains fluid. It is expected…

On April 2, 2025, the Annex to the Presidential Proclamation imposing 25% tariffs under Section 232 of the Trade Expansion Act of 1962 on imports of automobiles and certain automobile parts was released along with U.S. Customs and Border Protection (US-CBP) guidance regarding the fully assembled automobile provisions. As previously reported, see Thompson Hine Update…

On March 26, 2025, President Donald Trump issued a Proclamation imposing 25% tariffs under Section 232 of the Trade Expansion Act of 1962 on imports of automobiles and certain automobile parts, citing “a critical threat to U.S. national security.” The tariffs will apply to final assembled automobiles, entered for consumption or withdrawn from warehouse for…

UPDATE: On March 24, 2025, Customs and Border Protection (CBP) issued a message noting the release of an updated list of impacted HTSUS codes covering “energy” and “energy resources” from Canada that are now subject to 10% tariffs since March 4, 2025. The list now specifically includes all crude and crude mixtures along with…

The Department of Commerce’s Bureau of Industry and Security (BIS) has issued Federal Register notices announcing that interested parties may submit written comments, data or other information pertinent to these investigations. Comments are due no later than April 1, 2025.

Section 232 National Security Investigation of Imports of Copper

This investigation was initiated on February…

As previously announced by President Donald Trump, the Section 232 steel and aluminum 25% ad valorem tariffs went into effect 12:01 a.m., March 12, 2025, against all steel and aluminum articles and all listed derivatives, including many automotive, construction and consumer products. Aluminum articles and their derivative products from Russia are subject to 200% tariffs.