48 CFR § 207.503 - Policy.
(e) The written determination required by FAR 7.503(e), that none of the functions to be performed by contract are inherently governmental -
(i) Shall be prepared using DoD Instruction 1100.22, Guidance for Determining Workforce Mix; and
(ii) Shall include a determination that none of the functions to be performed are exempt from private sector performance, as addressed in DoD Instruction 1100.22.
(S-70) Contracts for acquisition functions.
(1) In accordance with 10 U.S.C. 4508, the head of an agency may enter into a contract for performance of the acquisition functions closely associated with inherently governmental functions that are listed at FAR 7.503(d) only if -
(i) The contracting officer determines that appropriate military or civilian DoD personnel -
(A) Cannot reasonably be made available to perform the functions;
(B) Will oversee contractor performance of the contract; and
(C) Will perform all inherently governmental functions associated with the functions to be performed under the contract; and
(ii) The contracting officer ensures that the agency addresses any potential organizational conflict of interest of the contractor in the performance of the functions under the contract (see FAR Subpart 9.5).
(2) See related information at PGI 207.503(S-70).