( 1) An inspector must, before entering the premises under a warrant:
(a) announce that he or she is authorised to enter the premises; and
(b) give any person at the premises an opportunity to allow entry to the premises.
(2) An inspector is not required to comply with subsection ( 1) if he or she believes on reasonable grounds that immediate entry to the premises is required:
(a) to ensure the safety of a person; or
(b) to prevent serious damage to the environment; or
(c) to ensure that the effective execution of the warrant is not frustrated.