(1)  For the purposes of this Act, each of the following is a nominated officer:

(a) the Director;

(b) a health officer;

(c) a police officer;

(d) a person approved by the Director;

(e) a member of a class of persons approved by the Director.

(2)  An approval under paragraph (d) or (e) may –

(a) impose conditions on the exercise or performance by the relevant person or persons of the powers or functions of a nominated officer under this Act; or

(b) be unconditional.