Commentary First Group of Parts – Discipline Service of sentence Section 297: Detention in service custody following passing of custodial sentence etc
579.This section applies where a person is sentenced to a custodial sentence for a service offence, or an order has been made in respect of him under section 214 (the detention of an offender who has committed an offence during the currency of a detention and training order). Such a person must serve his sentence in a civilian institution; this section makes lawful his detention in service custody until he is committed to the appropriate civilian institution in which he will serve his sentence.