(1) When seeking the consent of an occupier of premises to enter premises under section 813 (1) (b), an authorised person must—
(a) produce their identity card; and
(b) tell the occupier—
(i) the purpose of the entry; and
(ii) that anything found and seized under this chapter may be used in evidence in court; and
(iii) that consent may be refused.
(2) If the occupier consents, the authorised person must ask the occupier to sign a written acknowledgment (an acknowledgment of consent )—
(a) that the occupier was told—
(i) the purpose of the entry; and
(ii) that anything found and seized under this chapter may be used in evidence in court; and
(iii) that consent may be refused; and
(b) that the occupier consented to the entry; and
(c) stating the time and date when consent was given.
(3) If the occupier signs an acknowledgment of consent, the authorised person must immediately give a copy to the occupier.
(4) A court must find that the occupier did not consent to entry to the premises by the authorised person under this chapter if—
(a) the question arises in a proceeding in the court whether the occupier consented to the entry; and
(b) an acknowledgment of consent is not produced in evidence; and
(c) it is not proved that the occupier consented to the entry.