Regulations for the Navy Part IIICentral Regulations · 1957
(1) Each officer shall be provided with a Certificate Book on first appointment .
(2) This book shall accompany all applications for training courses or service, which are addressed to the Registrar of Reserves.
(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.
(4) On discharge from the Reserves, the Certificate Book shall be returned to the officer concerned.