(1) An authorised person must, before entering premises under a warrant issued under section 87:
(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 authorised person 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 that the effective execution of the warrant is not frustrated.
(3) If, when executing the warrant, the occupier or person in charge of the premises is present at the premises, the authorised person must make available to the occupier or person a copy of the warrant.
(4) The authorised person must identify himself or herself to the occupier or person.
(5) The copy of the warrant referred to in subsection (3) need not include the signature of the magistrate who issued the warrant.