美最高法院裁定特朗普政府大规模关税违法

Core Viewpoint - The U.S. Supreme Court ruled that the International Emergency Economic Powers Act does not authorize the president to impose large-scale tariffs, significantly undermining the tariff policies of the Trump administration [1][2]. Group 1: Court Ruling - The Supreme Court made a 6-3 decision, indicating a major setback for the Trump administration's tariff policies [2]. - The ruling follows a series of legal challenges against the Trump administration's use of the International Emergency Economic Powers Act to impose tariffs without congressional approval [2]. Group 2: Legal Background - The Trump administration, which took office in January 2025, had issued a series of tariff measures through executive orders citing the International Emergency Economic Powers Act [2]. - The U.S. International Trade Court ruled in May 2025 that the Trump administration's actions were illegal and prohibited the enforcement of tariffs imposed on multiple countries [2]. - The U.S. Court of Appeals upheld the International Trade Court's ruling in August 2025 but did not immediately bar the Trump administration from continuing to impose tariffs under the Act [2].