(2) The Secretary may appoint any employee of the
Department as an authorised officer for the purposes of this Act.
(3) An
authorised officer who is not a police officer is to be provided by the
Secretary with a certificate of identification.
(4) An authorised officer
(other than a police officer) must, when exercising on any premises any
function of the authorised officer under this Act, produce the officer's
certificate of identification to any person apparently in charge of the
premises who requests its production.