Migration Act 1958

Before entering premises under a search warrant, an authorised officer must:

announce that he or she is authorised to enter the premises; and

show his or her identity card to the occupier of the premises, or to another person who apparently represents the occupier, if the occupier or other person is present at the premises; and

give any person at the premises an opportunity to allow entry to the premises.

However, an authorised officer is not required to comply with subsection (1) if the authorised officer reasonably believes that immediate entry to the premises is required:

to ensure the safety of a person; or

to ensure that the effective execution of the search warrant is not frustrated.

If:

an authorised officer does not comply with subsection (1) because of subsection (2); and

the occupier of the premises, or another person who apparently represents the occupier, is present at the premises;