The president does not have the power to impose tariffs using IEEPA except where Congress has specifically delegated the power to do so. This ruling favors the major questions doctrine, without specifically invoking it. Decided February 20, 2026 (argued November 5, 2025). Opinion of the Court: Roberts (parts I, II–A–1, and II–B) Dissenting: Thomas, Kavanaugh. Topic: Foreign. Learning Resources, Inc. v. Trump, 607 U.S. 229 (2026), is a decision of the Supreme Court of the United States in which the Court held that the International Emergency Economic Powers Act (IEEPA), an economic sanctions law, does not authorize the president to unilaterally set tariffs. The ruling vacated many of the tariffs implemented during the second Trump administration. Wiki link