(1) If an authorised person suspects on reasonable grounds that there may be evidential material on any premises, the authorised person may:
(a) enter the premises; and
(b) exercise the investigation powers.
Note: The investigation powers are set out in sections 49, 50, 51 and 52.
(2) However, an authorised person is not authorised to enter the premises unless:
(a) the occupier of the premises has consented to the entry; or
(b) the entry is made under an investigation warrant.
Note: If entry to the premises is with the occupier's consent, the authorised person must leave the premises if the consent ceases to have effect (see section 55).