Supreme Court likely to have final say on Trump tariffs. Here's what's at stake

KEY POINTS

A federal appeals found President Trump exceeded his authority in using emergency powers to levy new tariffs.

Trump officials say they'll seek a U.S. Supreme Court reversal of the ruling.

Scores of new trade levies ranging from 10% to 50% took effect in early August.

A lower court decision that struck down a broad swath of new trade levies enacted by President Donald Trump was upheld by a federal appeals court last week in a ruling that appears headed for review by the U.S. Supreme Court.

In a 7-4 decision, the U.S. Court of Appeals for the Federal Circuit concurred with the U.S. Court of International Trade’s decision earlier this year that Trump’s reliance on the 1977 International Emergency Economic Powers Act to declare national emergencies as a basis for his authority