10 U.S.C. § 9345: Restoration to former grade: retired warrant officers and enlisted members

Each retired warrant officer or enlisted member of the Air Force or the Space Force who has been advanced on the retired list to a higher commissioned grade under section 9344 of this title, and who applies to the Secretary of the Air Force within three months after his advancement, shall, if the Secretary approves, be restored on the retired list to his former warrant-officer or enlisted status, as the case may be.