(1) An authorised officer may, as reasonably required for the purposes of the administration or enforcement of this Act, enter and remain in any place.
(2) When an authorised officer enters a place under this section, the authorised officer—
(a) may be accompanied by such assistants as the authorised officer considers necessary or appropriate; and
(b) may take any vehicles or equipment the authorised officer considers necessary or appropriate for the functions the authorised officer is to carry out in the place.
(3) An authorised officer may use reasonable force to enter a place under this Part if—
(a) the entry is authorised under a warrant under Part 10; or
(b) the entry is necessary in an emergency.
(4) An authorised officer must be accompanied by a police officer—
(a) when entering a place under a warrant; or
(b) if it is practicable to do so, when entering a place by force in an emergency.