FEDERAL COMPLIANCE.

SEC. 235. FEDERAL COMPLIANCE. Section 118 of the Clean Air Act is amended by inserting “General Compliance.—” after “Sec. 118. (a)” and by adding at the end thereof the following: “(c) Government Vehicles.— Each department, agency, and instrumentality of executive, legislative, and judicial branches of the Federal Government shall comply with all applicable provisions of a valid inspection and maintenance program established under the provisions of subpart 2 of part D or subpart 3 of part D except for such vehicles that are considered military tactical vehicles. “(d) Vehicles Operated on Federal Installations.— Each department, agency, and instrumentality of executive, legislative, 104 STAT. 2531and judicial branches of the Federal Government having jurisdiction over any property or facility shall require all employees which operate motor vehicles on the property or facility to furnish proof of compliance with the applicable requirements of any vehicle inspection and maintenance program established under the provisions of subpart 2 of part D or subpart 3 of part D for the State in which such property or facility is located (without regard to whether such vehicles are registered in the State). The installation shall use one of the following methods to establish proof of compliance— “(1) presentation by the vehicle owner of a valid certificate of compliance from the vehicle inspection and maintenance program; “(2) presentation by the vehicle owner of proof of vehicle registration within the geographic area covered by the vehicle inspection and maintenance program (except for any program whose enforcement mechanism is not through the denial of vehicle registration); “(3) another method approved by the vehicle inspection and maintenance program administrator.”.