5104.804-5 Procedures for closing out contract files.
(a)(12) When the contractor submits an adequate final indirect cost rate proposal in accordance with FAR 42.705-1(b)(1)(iii), the Contracting officer must obtain a Defense Contract Audit Agency audit report or document the file with a memorandum that deems the proposal to be low-risk and not subject to further audit before closing out the contract file.