The U.S. Supreme Court agreed on Tuesday to decide the legality of former President Donald Trump’s extensive global tariffs, setting up a major test of executive power in trade policy.

This case centers on whether Trump lawfully used the International Emergency Economic Powers Act (IEEPA) of 1977 to impose tariffs, a law historically aimed at emergency sanctions but never before used to levy tariffs.

The big picture: The Court took up the Justice Department’s appeal of a recent ruling by the U.S. Court of Appeals for the Federal Circuit, which ruled on August 29 that Trump exceeded his authority under IEEPA in imposing most of these tariffs. • The tariffs remain in effect during the Supreme Court appeal. • Oral arguments are scheduled for the first week of November 2025, with the jus

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