(1) A petroleum project inspector may exercise powers under section 649(2)(d) to enter residential premises only—
(a) in accordance with a warrant issued under section 653; or
(b) after obtaining the consent of the occupier of the premises.
(2) If—
(a) a petroleum project inspector enters residential premises in accordance with a warrant issued under section 653; and
(b) the occupier of the premises is present at the premises—
the petroleum project inspector must make available to the occupier a copy of the warrant or a copy of the form of the warrant.
(3) Before obtaining the consent of a person as mentioned in subsection (1)(b), a petroleum project inspector must inform the person that the person may refuse consent.
(4) A consent of a person is not effective for the purposes of subsection (1) unless the consent is voluntary.