The president is set to raise tariffs on steel and aluminum this week, even as the courts are challenging the legitimacy of other levies.

A federal court has ruled against President Trump's use of the International Emergency Economic Powers Act to impose broad tariffs, sparking a legal battle that could reshape U.S. trade policy. The White House's immediate appeal prolongs uncertainty for businesses and governments affected by these tariffs.

A recent U.S. federal court decision questions the extent of presidential power under the International Emergency Economic Powers Act, impacting tariffs imposed by former President Trump.