Section 409(3) in The Naval Ceremonial, Conditions Of Service And Miscellaneous Regulations, 1964
(3)The Certificate Book shall be forwarded by the Registrar of Reserves to the Commanding Officer of the ship in which the officer is appointed for duty. On completion of such duty, the Commanding Officer of the ship shall return the Certificate Book duly completed to the Registrar of Reserves who, on verification shall return it to the officer concerned.
