; and (4) if the Administrator does not concur in the recommendation, a statement explaining the reasons for such nonconcurrence. (d) Publication Not later than 90 days after the Administrator’s receipt of a recommendation under subsection (a), each response by the Administrator under this section shall be posted on the internet website of the Federal Aviation Administration. . (b) Conforming amendment Section 106(p)(1) is amended by striking the period at the end and adding , except as provided in section 40131. . 5. Air traffic control facility modernization and sustainment (a) Facility modernization and sustainment Chapter 481 of title 49, United States Code, is amended by adding at the end the following: 48115. Air traffic control facility modernization and sustainment (a) Modernization and sustainment In any fiscal year between 2018 and 2030, in addition to amounts made available under section 48101, there is further authorized to be appropriated from the uncommitted balance of the Airport and Airway Trust Fund such sums as are necessary to bring any air traffic control facility of the Federal Aviation Administration into acceptable condition. (b) Consultation Before taking any action under subsection (a) to modernize or sustain air traffic control facilities of the Federal Aviation Administration, the Administrator shall consult with the exclusive bargaining representatives of air traffic controllers and airway transportation system specialists certified under section 7111 of title 5, United States Code. . (b) Clerical amendment The analysis for chapter 481 of title 49, United States Code, is amended by inserting after the item relating to section 48114 the following: 48115. Air traffic control facility modernization and sustainment. . 6. Acquisition reform (a) In general Not later than 1 year after the date of enactment of this Act, the Administrator shall develop and implement a revised system governing all of the Administration’s acquisitions, including services, facilities, equipment, and real,