Commentary First Group of Parts – Discipline Effect of custodial sentence or detention on rank or rate Section 294: Rank or rate of WOs and NCOs while in custody pursuant to custodial sentence etc
573.Under this section, a warrant officer or NCO serving a custodial sentence (including one passed by a civilian court) or a sentence of service detention is to be treated as holding the lowest rank or rate for the Service to which he belongs—or, if he belongs to the air forces, the highest rank he has held as an airman (see the note on section 135 (paragraph 287)).