Who is appointed at each base-level unit principal staff office within an air force organization or contractor to perform records management?

Functional area records manager.

Explanation: The Functional area records manager (FARM) is an officer appointed at each base-level unit principal staff office within an Air Force organization or contractor to perform records management.

The FARM serves as the point of contact for and monitors the records management program of their unit or  functional area and serves as liaison with the base RM.

Also, assists the RM in providing guidance on using document imaging systems and electronic storage  media for records. Evaluates the effect of document imaging and electronic storage on creating, transferring, storing, retrieving, and disposing of office records. Reports problems to the COR and RM.