Chicanos Por La Causa, Inc. v. Napolitano, 544 F.3d 976 (9th Cir. 2008)
In 2007, Arizona enacted the Legal Arizona Workers Act (the “Act”), which targets employers that hire illegal aliens and provides a principal sanction in the form of a revocation of state licenses to do business in Arizona. Various businesses and civil-rights organizations filed this lawsuit, asserting that the Act is preempted