Businesses Learning Resources Inc. and hand2mind Inc. filed a petition with the Supreme Court on Tuesday, attorney Pratik Shah confirmed to Forbes, which asks the high court to consider whether Trump’s “Liberation Day” tariffs are lawful under the International Emergency Economic Powers Act (IEEPA), the law the president used to impose them.

The US Supreme Court was asked for the first time to consider striking down President Donald Trump’s most sweeping tariffs, putting the justices in the middle of a high-stakes fight with worldwide economic implications.

A small business on Tuesday asked the U.S. Supreme Court to decide the legality of President Donald Trump’s tariffs, saying the court should take the rare step of hearing the case before appeals fully play out in lower courts.