U.S. Court blocks broad use of IEEPA Tariffs
by National Marine Manufacturers Association 29 May 16:21 PDT

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On May 28, the U.S. Court of International Trade issued a ruling that blocks most of President Trump's recent tariffs imposed under the International Emergency Economic Powers Act (IEEPA), finding that the president exceeded his authority under the statute.
A three-judge panel ruled that while the Constitution grants Congress the power to regulate international commerce, the president's emergency authorities do not permit across-the-board tariff actions of the type enacted since January 2025. The court issued a permanent injunction and ordered the administration to revise the relevant tariff orders within 10 days.
"Because of the Constitution's express allocation of the tariff power to Congress...we do not read IEEPA to delegate an unbounded tariff authority to the President," the court wrote.
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