An appeals court previously ruled that a key 1935 precedent, long in the cross hairs of the conservative legal movement, meant the officials could keep their jobs.

The order suggests justices will soon eliminate congressional power to insulate agencies from political interference.

The Supreme Court protected the Federal Reserve Thursday even as it allowed President Trump to fire the board members of two other independent agencies, potentially insulating central bank officials such as chair Jerome Powell against any immediate removal by the White House.