Section 4.000 - Scope of part(a) This part prescribes policies and procedures relating to the administrative aspects of contract execution, contractor-submitted paper documents, distribution, reporting, retention, and files.(b) Additionally, this part includes policies and procedures to implement security prohibitions and exclusions that restrict Federal agencies from procuring, obtaining, or using certain products, services, or sources. Additional security prohibitions and exclusions are found at subparts 25.7 and 40.2. 89 FR 89469 , Nov. 12, 2024