Regulation 3 Duration of terms of enlistment
(1)
A person may be enlisted in the Royal Marines for a term beginning with the date of his attestation in the Royal Marines and ending on a date falling not later than 22 years after the relevant date.
(2)
The term for which a person may be enlisted may be a term wholly of Royal Marines service or may be a term partly of Royal Marines service and partly of service with the reserve.