Final answer:
The administrative offices of the military branches, such as the Air Force Personnel Center for the U.S. Air Force, are responsible for publicizing the availability of the Enlisted Promotions References and Requirements Catalog (EPRRC). This resource helps military personnel track promotion processes and other personnel actions during active service.
Step-by-step explanation:
The Enlisted Promotions References and Requirements Catalog (EPRRC) is a crucial resource for enlisted members of the military to understand promotion references and requirements. The responsibility for publicizing the availability of the EPRRC lies with the administrative offices of the military branches, such as the Air Force's Personnel Center for the U.S. Air Force. These entities ensure that the relevant directives, instructions, and references are readily available for the personnel who need them to track and understand the processes relating to promotions, reductions, transfers, and other personnel actions during active service.