Washington: The United States Supreme Court on Wednesday questioned the legality of President Donald Trump’s sweeping tariff measures, signaling potential upheaval in U.S. trade policy and sending ripples across international markets. The case, centered on tariffs imposed under the 1977 International Emergency Economic Powers Act (IEEPA), represents a critical test of the limits of presidential authority in regulating commerce without explicit congressional approval.

During the oral arguments, multiple justices expressed doubt that IEEPA grants the president unrestricted power to levy broad tariffs on imports from nearly every country. Conservative and liberal justices alike scrutinized the administration’s claims, with pointed questions highlighting the tension between national securit

See Full Page