Department of Homeland Security v. Regents of the University of California, 591 U.S. ___ (2020), was a United States Supreme Court case in which the Court held that a 2017 U.S. Department of Homeland Security (DHS) order to rescind the Deferred Action for Childhood Arrivals (DACA) immigration program was "arbitrary and capricious" under the Administrative Procedure Act (APA) and reversed the order.