关税突发！美最高法院裁定：违法！

Core Viewpoint - The U.S. Supreme Court ruled that the tariffs imposed by the Trump administration under the International Emergency Economic Powers Act lacked clear legal authorization [1][3]. Group 1 - The Trump administration implemented a series of tariffs without Congressional approval, citing the International Emergency Economic Powers Act [3]. - Following legal challenges, both the U.S. Court of Appeals and the U.S. International Trade Court ruled the tariff policies illegal, prompting the Trump administration to appeal to the Supreme Court [3]. - The Supreme Court initially planned to announce its decision on January 9 but postponed it to January 14, ultimately not ruling on the legality of the tariffs on that date [3].