The U.S. Supreme Court struck down Donald Trump’s IEEPA-based tariffs on February 20, 2026, ruling 6-3 that the International Emergency Economic Powers Act does not grant the president authority to impose import duties. Within hours, the administration pivoted to Section 122 of the Trade Act of 1974, imposing 10 to 15 percent tariffs under a balance-of-payments provision that expires after 150 days without Congressional action. The administration is also exploring Sections 232 and 301 of U.S. trade law to build a more comprehensive tariff framework, as the invalidated duties had covered goods from Canada, Mexico, China, and most other trading partners.
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