; or (ii) the contract or order was awarded without using two-phase selection procedures. (B) Public availability The Director of the Office of Management and Budget shall facilitate public access to the reports, including by posting them on a publicly available Internet website. A notice of the availability of each report shall be published in the Federal Register. (C) Submission to GAO Not later than 30 days after the deadline described under subparagraph (A), the Director of the Office of Management and Budget shall compile and submit the reports submitted to the Director under such subparagraph to the Comptroller General. (b) GAO reports Not later than 270 days after the deadline under subsection (a)(2)(A), the Comptroller General of the United States shall issue a report analyzing the reports submitted under subsection (a)(2)(C) and agency compliance with the requirements of section 3309(b) of title 41, United States Code, as amended by subsection (a)(1). 4. Prohibition on the use of a reverse auction for the award of a contract for design and construction services (a) Finding Congress finds that, in contrast to a traditional auction in which the buyers bid up the price, sellers bid down the price in a reverse auction. (b) Prohibition Not later than 180 days after the date of the enactment of this Act, the Federal Acquisition Regulation shall be amended to prohibit the use of reverse auctions as part of the two-phase selection procedures for awarding contracts for design and construction services. (c) Definitions For purposes of this section— (1) the term design and construction services means— (A) site planning and landscape design; (B) architectural and engineering services (as defined in section 1102 of title 40, United States Code); (C) interior design; (D) performance of substantial construction work for facility, infrastructure, and environmental restoration projects; (E) delivery and supply of construction materials to construction sites