Lutjanus, what legislation do you base your opinion on?
Have you had a look at this?
FISHERIES ACT 1994 - SECT 140
140 Appointment
(1) The chief executive may appoint any of the following persons as inspectors--
(a) employees of the department;
(b) officers of the public service;
(c) police officers;
(d) other persons prescribed under a regulation.
(2) The chief executive may appoint a person (other than a police officer) as an inspector only if--
(a) in the chief executive's opinion, the person has the necessary expertise or experience to be an inspector; or
(b) the person has satisfactorily finished training approved by the chief executive.