4. These Regulations shall not apply to seafarers serving on board -

{a) ships belonging to Royal Brunei Navy, Royal Brunei Police Force and other agencies operating ships on governmental non-commercial service;

however, persons serving on board such ships shall meet the requirements of these Regulations so far as is reasonable and practicable;

(bJ fishing vessels;

{c)

pleasure yachts not engaged in trade; or

(dJ wooden ships of primitive build.

Exemption.