Last mentioned: Feb 20, 2026
CIT Implementation (Expected)
The Court of International Trade is expected to begin establishing refund procedures for importers.
Refund Litigation Begins
The Trump administration signals intent to litigate the refund process despite the ruling.
SCOTUS Ruling
Supreme Court strikes down the tariffs as unconstitutional and outside statutory scope.
SCOTUS Ruling
Supreme Court declares IEEPA tariffs unconstitutional in a 6-3 decision.
Administration Response
President Trump announces intent to litigate the refund process.
SCOTUS Ruling Issued
Supreme Court declares IEEPA tariffs unlawful and unconstitutional in a 6-3 vote.
Legal Challenges Mount
Importers file suits in the U.S. Court of International Trade challenging IEEPA authority.
Tariff Implementation
President imposes reciprocal and drug-trafficking tariffs using IEEPA emergency powers.
Tariff Implementation
President Trump imposes reciprocal and drug-trafficking tariffs using IEEPA authority.
IEEPA Tariffs Imposed
President Trump implements reciprocal and drug-trafficking tariffs via executive order.
Legal Challenges
Importers file suits in the Court of International Trade; cases eventually reach SCOTUS.
The U.S. Supreme Court has ruled 6-3 that the International Emergency Economic Powers Act does not grant the President authority to impose tariffs, invalidating billions in duties. This landmark decision opens a complex legal battle for an estimated $175 billion in refunds, impacting retailers and e-commerce platforms nationwide.
In a landmark 6-3 decision, the U.S. Supreme Court ruled that the International Emergency Economic Powers Act (IEEPA) does not grant the President authority to impose tariffs. The ruling invalidates billions in duties collected since early 2025 and sets the stage for a massive $175 billion refund process.
The U.S. Supreme Court has ruled 6-3 that the International Emergency Economic Powers Act does not authorize the President to impose tariffs, invalidating billions in duties collected since 2025. This landmark decision creates a massive fiscal liability for the federal government and a complex recovery process for global importers.