If they agree to take it. I don't think that the DC Circuit's ruling will stand because the it's certain that the Administration will request a rehearing by the full Circuit Court, most of whom were appointed by Democrats. So it's almost a certainty that the full court will rule for the Administration. Once it reaches the Supreme Court they will most likely punt it and refuse to take the case.
We need to revise the textbooks. There are really only 2 branches of Government:
1. The Executive Branch
2. The Legislative Branch consisting of