Trump's 'Liberation Day' tariffs could hit a snag in court today. Here's what to know

A federal appeals court on Thursday will hear arguments over the legality of President Donald Trump's sweeping tariff plan, a high-stakes court fight that comes just hours before Trump's import duties and so-called "reciprocal" tariffs are slated to take force.

At issue before the Washington-based Court of Appeals for the Federal Circuit is Trump’s attempt to use the International Emergency Economic Powers Act (IEEPA) — a 1977 emergency law — to enact the steep import fees, and impose additional tariffs on certain trading partners. 

Thursday's hearing comes less than 24 hours before Trump's tariffs are slated to take force. Both sides have signaled they plan to appeal the ruling to the Supreme Court, if necessary. 

On April 2, Trump announced a 10% baseline tariff on all countries, along with higher, reciprocal tariffs targeting select nations — including China. He said the measures would address tr...