北美观察丨最高法院裁决“关税”越权 美贸易战“快捷键”失灵

Core Viewpoint - The U.S. Supreme Court ruled against Trump's comprehensive tariff policy, stating that the tariffs imposed under the International Emergency Economic Powers Act (IEEPA) lacked legal basis and were invalid from the start, significantly impacting Trump's economic agenda and future presidential powers [2][12][16] Group 1: Legal Basis and Implications - The Supreme Court's decision emphasized that the IEEPA was intended for sanctions and not for imposing global tariffs, highlighting the absence of terms like "tariff" or "tariff rates" in the law [6][9] - The ruling reinforces that the power to levy taxes, including tariffs, is constitutionally assigned to Congress, and any delegation of this power must be explicit [10][11] - The court's majority opinion indicates that if Congress intends to grant the president the authority to impose tariffs, it must do so with clear and specific language, rather than vague terms [10][11] Group 2: Impact on Trump's Economic Agenda - The ruling is seen as a significant setback for Trump's economic strategy, which relied heavily on tariffs as a tool for negotiation and revenue generation [12][14] - The decision raises questions about the legality of tariffs already collected, with potential claims for refunds amounting to hundreds of billions of dollars, impacting fiscal revenue [13] - The ruling constrains future presidents' use of emergency powers for large-scale economic policies, requiring more caution in invoking such powers [13][14] Group 3: Future Actions and Strategies - In response to the ruling, Trump announced plans to impose a new 10% global tariff using a different legal framework, indicating a shift in strategy rather than a retreat [14][16] - The administration is expected to rely more on established trade tools like Section 232 and Section 301 of the Trade Act, which provide clearer legal grounds for imposing tariffs but involve more complex procedures [14][15] - The government may also explore non-tariff measures to influence trade and investment flows, such as stricter export controls and adjustments to procurement rules, to maintain pressure on foreign entities [15][16]