The U.S. Supreme Court on 20 February 2026 ruled that the IEEPA does not empower the President to impose tariffs, invalidating the sweeping duties announced by President Donald Trump in 2025. The judgment re‑affirms the constitutional role of Constitution in granting tariff authority to Congress and limits executive overreach. Key Developments The Court, in a 6‑3 decision, held that tariffs must have clear statutory backing, which IEEPA lacks. Trump’s administration quickly announced a temporary import duty under alternative statutes, effective 24 February for 150 days. Potential refunds are being sought by over 1,000 companies after an estimated $180 billion was collected under the invalidated duties. Important Facts Before 2025, IEEPA had been used to freeze assets, block transfers and sanction hostile regimes, but never to levy tariffs. Trump invoked IEEPA after declaring national emergencies linked to drug trafficking and trade imbalances, imposing 25% duties on Canada and Mexico, 10% on China, and a reciprocal tariff of at least 10% on most partners, with higher rates for some, notably India. Post‑ruling, the Treasury cited three alternative authorities: Section 122 (Trade Act 1974) Section 301 (Trade Act 1974) Section 232 (Trade Expansion Act 1962) UPSC Relevance The case illustrates the constitutional balance between legislative and executive powers, a frequent theme in GS2: Polity . Understanding the statutory limits of emergency powers (IEEPA) and the role of Congress in trade policy is essential for questions on federal authority, separation of powers, and economic governance. The alternative statutes (Sections 122, 301, 232) provide concrete examples of how trade policy instruments are codified, linking directly to GS3: Economy topics such as tariff policy, balance‑of‑payments, and national‑security‑driven trade measures. Way Forward For future administrations, any large‑scale tariff regime will require explicit congressional legislation or clear statutory delegation. Lawmakers may consider revising existing trade statutes to either broaden or tighten presidential discretion, a process that will demand bipartisan consensus. Meanwhile, affected businesses are likely to pursue litigation for refunds, highlighting the need for a transparent mechanism to address retroactive trade measures. UPSC aspirants should track how judicial interpretation can reshape executive trade tools and the ensuing policy debates in Congress, as these dynamics influence both domestic economic stability and international trade relations.