(1) The chief executive may appoint any of the following persons as an inspector--
(a) an officer of the department;
(b) a person prescribed under a regulation.
(2) However, the chief executive may appoint a person as an inspector only if--
(a) the chief executive is satisfied the person is qualified for appointment because the person has the necessary expertise or experience; or
(b) the person has satisfactorily finished training approved by the chief executive.