102-118.285—What options for performing a prepayment audit does my agency have?

Your agency may perform a prepayment audit by:
(a) Creating an internal prepayment audit program;
(b) Contracting directly with a prepayment audit service provider; or
(c) Using the services of a prepayment audit contractor under GSA's multiple award schedule covering audit and financial management services.

Code of Federal Regulations

Note to § 102-118.285 : Either of the choices in paragraph (a), (b) or (c) of this section might include contracts with charge card companies that provide prepayment audit services.