127.—Every person subject to military law—

(a) who, by want of due precaution, or through disobedience of orders or wilful neglect of duty, is taken prisoner, or

(b) who, having been taken prisoner, fails to rejoin the Defence Forces when able to do so, or

(c) who, having been made a prisoner of war, serves with or aids the enemy,

is guilty of an offence against military law, and shall, on conviction by court-martial, in case he served with or aided the enemy, be liable to suffer F104[imprisonment for life] or any less punishment awardable by a court-martial and, in any other case, be liable to suffer F105[imprisonment for a term not exceeding seven years] or any less punishment awardable by a court-martial.