1. Expiration. This MILPER message will expire 11 July 2026 or upon the release of updated policies.
2. Applicability. This guidance applies to the Active Army, the Army National Guard, and the U.S. Army Reserve who are called or ordered to active duty and accountability is maintained in IPPS-A.
3. Purpose. The purpose of this message is to provide continued guidance related to the processing procedures and implementation of the duty status code “Absence Unknown” (AUN) as directed in Reference F.