Before a biosecurity enforcement officer or biosecurity officer enters premises under a provision referred to in section 513, the biosecurity enforcement officer must:
(a) announce that he or she is authorised to enter the premises; and
(b) if the appropriate person for the premises is present at the premises:
(i) ensure that the identity card of the biosecurity enforcement officer is shown to the appropriate person; and
(ii) explain the reasons for entering the premises; and
(c) for entry under subsection 252(2), 470(1) or 472(1)--ensure that the identity card of the biosecurity officer is also shown to the appropriate person.