(1) Before obtaining the consent of a person for the purposes of paragraph 147(2)(a), the authorised officer must inform the person that he or she may refuse consent.
(2) An entry of an authorised officer because of the consent of a person is not lawful unless the person voluntarily consented to the entry.
(3) The consent may be expressed to be limited to entry during a particular period unless the consent is withdrawn before the end of that period.
(4) A consent that is not limited as mentioned in subsection (3) has effect until the consent is withdrawn.
(5) If an authorised officer entered premises because of the consent of a person, the authorised officer must leave the premises if the person withdraws the consent.