Section 30: Re-engagement and continuance in service

(1) An enlisted person, before or after completing the term of his regular service, may, with the approval of the respective competent service authority, re-engage for such further period or periods of regular service and service in the Reserve as may be prescribed, so however that-
(a) at the expiration of twelve years of continuous regular service from the date of his original attestation or the date when he apparently attained the age of eighteen years, whichever is the later, all reserve service due by him shall be deemed to have been completed; and
(b) such further period or periods of regular service, together with the original period of regular service, shall not, except as provided by subsections (2) and (3) of this section, exceed a total continuous period of eighteen years of regular service from the date of the enlisted person's original attestation or the date upon which he apparently attained the age of eighteen years, whichever is the later.
(2) An enlisted person who has completed a period of eighteen years of regular service may, if he so desires and with the approval of the respective competent service authority, continue to serve to complete 22 years of regular service in all respects as if his term of regular service was still unexpired, provided that-
(a) he claims his discharge at the expiration of three months after he has given notice to his commanding officer of his wish to be discharged; and
(b) his commanding officer may give him three months' notice of intention to discharge him.
(3) An enlisted person who has completed a period of 22 years of regular service may, if he so desires and with the approval of the respective competent service authority, continue to serve in all respects as if his term of regular service was still unexpired.