To prohibit the use of funds for granting deferred action or other immigration relief to aliens not lawfully present in the United States.

Separation of Powers Act of 2015 Prohibits the use of funds appropriated or otherwise made available to any federal department or agency to: parole an alien into the United States or grant deferred action on a final order of removal for any reason other than on an individual case-by-case basis for urgent humanitarian reasons; or issue to an alien who is unlawfully present in the United States any document attesting to such alien's lawful permanent resident status or U.S. employment authorization.