【环球财经】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]. Group 1: Legal Context - The Supreme Court's decision was made with a 6-3 vote, indicating a clear division among the justices regarding the legality of the Trump administration's tariff measures [1]. - The Trump administration had invoked the International Emergency Economic Powers Act to implement a series of tariff increases without Congressional approval, which faced multiple lawsuits from U.S. businesses and several state governments [1]. Group 2: Previous Court Rulings - In May 2025, the U.S. International Trade Court ruled that the Trump administration's actions were illegal and prohibited the enforcement of tariffs imposed under the International Emergency Economic Powers Act [1]. - The U.S. Court of Appeals for the Federal Circuit 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 [1]. Group 3: Supreme Court Proceedings - Oral arguments for the case were heard by the Supreme Court in November 2025, where several justices expressed skepticism about the legality of the Trump administration's comprehensive tariff policy [1].