10 U.S. Code § 14314. Army and Air Force commissioned officers: generals ceasing to occupy positions commensurate with grade; State adjutants general
(a)General Officers.—Within 30 days after a reserveofficer of the Army or the Air Force on the reserve active-status list in a general officer grade ceases to occupy a position commensurate with that grade (or commensurate with a higher grade), the Secretary concerned shall transfer or discharge the officer in accordance with whichever of the following the officer elects:
(b)Adjutants General.—If a reserveofficer who is federally recognized in the Army National Guard or the Air National Guard solely because of the officer’s appointment as adjutant general or assistant adjutant general of a State ceases to occupy that position, the Secretary concerned, not later than 30 days after the date on which the officer ceases to occupy that position, shall—
withdraw that officer’s Federal recognition; and
(2) require that the officer—
(c)Credit for Service in Grade.—
Provisions similar to those in this section were contained in sections 3375, 8375, and 8381 of this title, prior to repeal by Pub. L. 103–337, § 1629(a)(1), (c)(1).