; and (C) the Administrator and the State and local law enforcement agency notify UAS operators and manned operators in the area that an area of airspace is clear once the State and local law enforcement have concluded the Counter-UAS activities to mitigate the threat. (2) Sunset The process established under paragraph (1) shall terminate on the date on which the unmanned aircraft systems traffic management system required under section 376 of the FAA Reauthorization Act of 2018 ( 49 U.S.C. 44802 note) is fully implemented. 5. Authority to enter into contracts to protect facilities from unmanned aircraft (a) Authority The following Federal departments are authorized to enter into contracts to carry out the following authorities: (1) The Department of Defense for the purpose of carrying out activities under section 130i of title 10, United States Code. (2) The Department of Homeland Security for the purpose of carrying out activities under section 210G of the Homeland Security Act of 2002 ( 6 U.S.C. 124n ). (3) The Department of Justice for the purpose of carrying out activities under section 210G of the Homeland Security Act of 2002 ( 6 U.S.C. 124n ). (4) The Department of Energy for the purpose of carrying out activities under section 4510 of the Atomic Energy Defense Act ( 50 U.S.C. 2661 ). (b) Federal Acquisition Regulation Not later than 180 days after the date of the enactment of this Act, the Federal Acquisition Regulatory Council shall amend the Federal Acquisition Regulation to implement the authority provided under subsection (a). (c) Annual publication of recommended vendors and equipment (1) In general Not later than 1 year after the date of enactment of this Act, and annually thereafter, the Director of the Office of Management and Budget, in consultation with the Secretary of Defense, the Secretary of Homeland Security, the Attorney General, the Secretary of Energy, the Secretary of Transportation, and the heads of such other Federal departments or agencies as determined appropriate by the Director