Commonwealth Consolidated Acts Commonwealth Consolidated Acts(1) A police officer must, before any person enters premises under a warrant or to arrest a person:
(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) A police officer is not required to comply with subsection (1) if he or she believes on reasonable grounds that immediate entry to the premises is required to ensure:
(a) the safety of a person (including the police officer); or
(b) that the effective execution of the warrant or the arrest is not frustrated.