The legal architecture supporting a key component of Donald Trump’s trade war has been demolished by a federal appeals court. The court ruled that his administration’s use of the International Emergency Economic Powers Act (IEEPA) to impose tariffs was an unlawful expansion of presidential authority.
This decision specifically targets the “reciprocal” tariffs Trump applied to nearly every nation, citing the U.S. trade deficit as a national emergency. The court found this justification to be a misapplication of the IEEPA, a law intended for dealing with threats like terrorism and hostile regimes, not for managing long-term economic trends.
The ruling has immediate and far-reaching consequences, casting serious doubt on the validity of trade pacts the Trump administration negotiated with countries like South Korea and the European Union. These agreements were direct responses to the threat of IEEPA tariffs, and their legal standing is now compromised.
The former president has indicated the fight is not over, with an appeal to the Supreme Court on the horizon. This sets up a major confrontation over the separation of powers and the president’s ability to act without congressional consent on matters of international commerce. Meanwhile, the prospect of refunding billions in collected duties looms large.