Rec. 4.c: The DoD OIG recommended that the Principal Director of Defense Pricing and Contracting, Office of the Under Secretary of Defense for Acquisition and Sustainment develop and issue interim guidance addressing initial and recurring contracting officer's representative file review requirements until Defense Federal Acquisition Regulation Supplement Procedures, Guidance, and Information Part 201, "Federal Acquisition Regulation System," Subpart 201.6, "Career Development, Contracting Authority, and Responsibilities," and DoD Instruction 5000.72, "DoD Standard for Contracting Officer's Representative (COR) Certification," March 26, 2015 (Incorporating Change 2, November 6, 2020), are revised and implemented.