Certificates of service entitle the holders to go to sea, in the grades certified, as engineers of any vessels in the British mercantile marine however propelled.
The fee for a certificate of service is £1.

18. EXAMINATION OF ENGINE-ROOM ARTIFICERS.

Artificer engineers, chief engine-room artificers, engine-room artificers, and mechanicians in the Royal Navy may be examined for certificates of competency on the same conditions as engineers in the mercantile marine.

19. APPLICATION BY NAVAL OFFICERS.

The Lords Commissioners of the Admiralty have directed that applications from officers of the Navy for certificates of service, or for permission to be examined for certificates of competency, must, in the case of officers on the Active List, be made through the Commanding Officer to the Naval Secretary; and, in the case of officers who are on half-pay or who have retired, direct to the Naval Secretary. Such applications should subsequently be forwarded to the Chief Examiner of Marine Engineers, Marine Department, Wellington.

Chief or other engine-room artificers and mechanicians who have left the Royal Navy and who desire to be examined for certificates of competency as engineers in the mercantile marine will not be required to make their applications through the Commanding Officers or through the Naval Secretary. Men who are still serving in these ratings should make their applications through their Commanding Officers.

Artificer engineers, however, being warrant officers, should make their applications in the same manner as that laid down for other officers of the Royal Navy.

20. DEFINITION OF CERTIFICATE.

The term “certificate” in these rules means a certificate issued by the Marine Department in accordance with the provisions of the Shipping and Seamen Act, 1908, and its amendments, or by the Board of Trade of the United Kingdom, or by a British possession under Order in Council, in accordance with section 102 of the Merchant Shipping Act, 1894. Certificates are designated “ordinary” or “motor” according to whether they relate to service in steamships or motor-ships.

21. VALUE OF CERTIFICATES.

A third-class engineer's certificate of competency entitles the holder to serve as third engineer in any steamship or motor-ship in the British mercantile marine, or as second engineer of any foreign-going vessel, trading beyond the limits prescribed in the case of intercolonial-trading ships, of less than 100 nominal horse-power; or as second engineer of any home-trade or intercolonial-trading vessel of horsepower not greater than that prescribed therefor in the Second Schedule to the Shipping and Seamen Act, 1908.

Ordinary first- or second-class certificates of Imperial validity entitle the holders to serve in the appropriate grades as engineers in any steamship in the British mercantile marine. They are not valid for service in motor-ships unless endorsed for the purpose. (See section 40.)

Holders of first- or second-class motor certificates of Imperial validity are entitled to serve in the appropriate grades as engineers in any vessel propelled by internal combustion engines in the British mercantile marine. Such certificates are not valid for service in steamships unless appropriately endorsed. (See section 40.)

Extra first-class certificates are of the highest grade issued by the Marine Department, and are available to holders of first-class ordinary certificates, motor-certificates endorsed for first-class service in steamships, and first-class engineers' certificates of service, who may desire to demonstrate their superior knowledge and ability.

The requirements in respect of motor endorsements of ordinary certificates apply similarly to holders of first-class and extra first-class certificates.

22. COLONIAL CERTIFICATES.

The holder of a colonial certificate of competency not granted under the Merchant Shipping Act, or of a certificate granted after examination on board one of His Majesty's ships, who wishes to be examined in New Zealand for a certificate of the same grade, must prove that he