(1) T he regulations may prescribe different classes of seafarer certificates and may require that a n individual hold a seafarer certificate of a particular kind in order to undertake particular duties, or perform particular functions, as a seafarer.
(2) T he regulations may prescribe criteria relating to the following in relation to seafarer certificates:
(a) proficiencies, competencies and standards;
(g) nationality, citizenship or residence.
(3 ) The regulations may make provision in relation to the following:
(a) the manner in which the attainment of proficiencies, competencies and standards is to be evidenced;
(b) the instruction, training and examination of seafarers, including:
( i ) the gaining of sea service and other experience; and
(ii) the conduct of examinations, the conditions for admission to examinations and the appointment and remuneration of examiners;
(c) the recognition of certificates and other documents granted or issued to or in respect of masters, officers and seafarers under the Marine Saf ety (Domestic Commercial Vessel ) National Law of the Commonwealth or a law of a State , a Territory or a foreign country;
(d) conditions to which seafarer certificates are subject.
(4 ) This section does not limit section 28 .