“IEEPA nowhere mentions tariffs, duties, imposts, or taxes, and no other President in the statute’s nearly 50-year history has claimed that it authorizes tariffs,” the companies added in a filing with the appeals court.

President Donald Trump may have gotten his way with tariffs on some countries, but his overhaul of American trade policy has not gone unchallenged

The Trump administration’s tariffs are facing a major challenge in front of federal judges. Meanwhile, Mexico got a 90-day reprieve from higher rates.