Law Enforcement (Powers and Responsibilities) Act 2002

A person authorised to enter premises pursuant to a warrant may use such force as is reasonably necessary for the purpose of entering the premises.

An executing officer authorised to enter premises pursuant to a warrant may, if it is reasonably necessary to do so for the purpose of entering those premises, do any of the following—

disable any alarm, camera or surveillance device at the premises,

pacify any guard dog at the premises.

A person authorised to search premises pursuant to a warrant may, if it is reasonably necessary to do so, break open any receptacle in or on the premises for the purposes of that search.

An executing officer authorised to search premises pursuant to a warrant may do anything that it is reasonably necessary to do for the purpose of preventing the loss or destruction of, or damage to, any thing connected with an offence that the executing officer believes on reasonable grounds to be at those premises, including by blocking any drains at or used in connection with the premises.

A person authorised to search premises pursuant to a warrant may do anything that it is reasonably necessary to do to render safe any dangerous article found in or on the premises.