[Code of Federal Regulations] [Title 49, Volume 7] [Revised as of October 1, 2006] From the U.S. Government Printing Office via GPO Access [CITE: 49CFR663.21] [Page 93] TITLE 49--TRANSPORTATION CHAPTER VI--FEDERAL TRANSIT ADMINISTRATION, DEPARTMENT OF TRANSPORTATION PART 663_PRE-AWARD AND POST-DELIVERY AUDITS OF ROLLING STOCK PURCHASES--Table of Contents Subpart B_Pre-Award Audits Sec. 663.21 Pre-award audit requirements. A recipient purchasing revenue service rolling stock with FTA funds must ensure that a pre-award audit under this part is complete before the recipient enters into a formal contract for the purchase of such rolling stock.