102-118.290—Must every electronic and paper transportation bill undergo a prepayment audit?
Yes, all transportation bills and payments must undergo a prepayment audit unless your agency's prepayment audit program uses a statistical sampling technique of the bills or the Administrator of General Services grants a specific waiver from the prepayment audit requirement. If your agency chooses to use statistical sampling, all bills must be at or below the Comptroller General specified limit of $2,500.00 (31 U.S.C. 3521(b) and U.S. Government Accountability Office Policy and Procedures Manual Chapter 7, obtainable from:
U.S. Government Accountability Office
P.O. Box 6015
Gaithersburg, MD 20884-6015
http://www.gao.gov