President Donald Trump’s dramatic pause of federal grants and loans is queuing up a Supreme Court showdown over the Constitution that will test the court’s recently muscular commitment to curb executive power.

Former White House chief of staff Mick Mulvaney said Tuesday that President Trump’s federal aid freeze could end up at the Supreme Court. “How does this end? This is already in the courts. You know OMB [the Office of Management and Budget] better than anyone,

The move comes after the order sparked widespread criticism and confusion. A federal district judge had temporarily paused the freeze.

The Idaho House passed a Republican-backed resolution on Monday urging the Supreme Court to reconsider the legality of same-sex marriage. All of Idaho’s Democratic House members opposed the non-binding resolution,

The memorial would call on the Supreme Court to “restore the natural definition of marriage, a union of one man and one woman."