On February 20, 2026, the U.S. Supreme Court ruled 6–3 that President Trump lacked authority under the International Emergency Economic Powers Act to impose sweeping emergency tariffs, invalidating broad tariffs he enacted last year. (time.com) Chief Justice John Roberts wrote the majority opinion, joined by Justices Sotomayor, Kagan, Jackson, Gorsuch and Barrett. (theguardian.com) The decision immediately halts collection of many duties, risks refund claims for billions already collected (roughly $130 billion reported), and constrains unilateral presidential trade power. (time.com) The court relied on the major‑questions doctrine to limit executive tariff authority. (theguardian.com) President Trump called the ruling a “disgrace,” vowed alternate tariffs and promised appeals. (people.com)