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.

Learning Resources, which makes educational toys, challenged Trump’s tariffs and won a court ruling on May 29 that Trump cannot unilaterally impose tariffs using the emergency legal authority he had cited for them.

But that ruling – along with a similar ruling in another case – has been stayed while the Trump administration appeals, leaving the tariffs in place for now.

The ultimate financial impact of the tariffs, which have often been changed or put on hold early in Trump’s second term, remains unclear.

One JPMorgan analysis said they could be viewed as raising taxes by $660 billion a year. Treasury Secretary Scott Bessent said in an April interview with Tucker Carlson that the tariffs could raise between $300 billion and $600 billion in annual revenue for the federal government.

Read more at Reuters