ARTICLE
2 March 2026

US Supreme Court Holds IEEPA Did Not Authorize Tariffs

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Butzel Long

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Founded in 1854, Butzel Long has played a prominent role in the development and growth of several major industries. Business leaders have turned to us for innovative, highly-effective legal counsel for over 170 years. We have a long and successful history of developing new capabilities and deepening our experience for our clients’ benefit. We strive to be on the cutting edge of technology, manufacturing, e-commerce, biotechnology, intellectual property, and cross-border operations and transactions.

As Butzel clients are aware, based on the various updates we provided over the course of the prior several months, Learning Resources, Inc., et al. v. Trump, President of the United States, et al...
United States International Law
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As Butzel clients are aware, based on the various updates we provided over the course of the prior several months, Learning Resources, Inc., et al. v. Trump, President of the United States, et al., was a case pending in the Supreme Court regarding enforceability of International Emergency Economic Powers Act (IEEPA) tariffs. The case consolidated two matters: No. 24-1287 (certiorari before judgment from D.C. Circuit) and No. 25-250 (certiorari from Federal Circuit). Today, the Supreme Court reached its decision to strike down IEEPA tariffs. The Court held that IEEPA did not authorize the tariffs. It is a long opinion, approximately 170 pages, with several lengthy concurrences and dissent. Butzel will provide a more detailed analysis as soon as possible. 

The decision only addresses tariffs issued under the IEEPA, and some of the recent tariffs affecting manufacturing industries rely on different authority. Although some of those other tariffs are being challenged in Court, today's opinion does not address their legality.

The content of this article is intended to provide a general guide to the subject matter. Specialist advice should be sought about your specific circumstances.

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