AR 715-9 governs Department of the Army policy and responsibilities for planning and managing operational contract support.
View AR 715-9 on armypubs.army.mil
It addresses contract support integration, contracting support, and contractor management, with emphasis on non-acquisition roles and responsibilities. It defines requirements development, requirements approval, requirements management, and post-contract award oversight, and establishes authorities for contracting officers, commanders, and CORs.
Only a warranted contracting officer responsible for the contract may direct or approve changes to the contract or terminate the contract or negotiate contractual requirements with a commercial source. (paragraph 6-1)
Operational commanders do not have contracting authority; however, commanders are responsible for OCS planning, definition requirements, and supporting in-theater contract management oversight. (paragraph 6-1)
A COR may execute only authorities specifically delegated in the appointment letter signed by the contracting officer. (paragraph 6-1)
Contractor personnel are not part of the operational chain of command. (paragraph 6-1)
The non-acquisition function to monitor and report contract execution as it relates to unit-mission readiness. (paragraph 2-8)