Law Enforcement (Powers and Responsibilities) Act 2002 No 103
Current version for 23 March 2020 to date (accessed 4 June 2020 at 06:35)
Part 6 Section 85
85   Powers that may be exercised on entry into premises
(cf Crimes Act 1900, s 357H)
(1)  A police officer who enters a dwelling pursuant to a power conferred by or under this Part is to take only the action in the dwelling that is reasonably necessary—
(a)  to investigate whether a domestic violence offence has been committed, and
(b)  to render aid to any person who appears to be injured, and
(c)  to exercise any lawful power to arrest a person, and
(d)  to prevent the commission or further commission of a domestic violence offence.
(2)  A police officer who so enters a dwelling must inquire as to the presence of any firearms in the dwelling and, if informed that there is or are a firearm or firearms, must take all such action as is reasonably practicable to search for and to seize and detain the firearm or firearms.
(3)  A police officer who so enters a dwelling is to remain in the dwelling only as long as is necessary to take the actions required or permitted by this Part.