(1)An authorised officer entering premises by virtue of section 84, or by virtue of a warrant under section 85 or 86, may take such other persons and such equipment as the officer considers appropriate.
(2)If the occupier of premises that an authorised officer is authorised to enter by a warrant under section 85 or 86 is present at the time the authorised officer seeks to execute the warrant—
(a)the occupier must be told the officer’s name;
(b)the officer must produce to the occupier documentary evidence that the officer is an authorised officer;
(c)the officer must produce the warrant to the occupier;
(d)the officer must supply the occupier with a copy of it.
(3)If premises that an authorised officer is authorised to enter by a warrant under section 85 or 86 are unoccupied, or if the occupier is temporarily absent, then on leaving the premises the officer must leave them as effectively secured against unauthorised entry as when the officer found them.
(4)This section applies to a vehicle as if it were premises.