(1) An inspector may, with the consent of the occupier of any premises, enter the premises for the purpose of exercising the functions of an inspector in accordance with section 31.
(2) Where an inspector has reason to believe that there is on premises:
(a) any controlled material that is to be dumped into the sea or incinerated at sea; or
(aa) any controlled material that is to be placed as part of an artificial reef placement; or
(b) any matter or thing that may afford evidence as to the commission of an offence against this Act;
the inspector may make application to a magistrate for a warrant authorizing the inspector to enter the premises for the purpose of exercising the functions of an inspector in accordance with section 31.
(3) If, on an application under subsection (2), the magistrate is satisfied, by information on oath or affirmation:
(a) that there is reasonable ground for believing that there is on the premises to which the application relates:
(i) any controlled material that is to be dumped into the sea or incinerated at sea; or
(ia) any controlled material that is to be placed as part of an artificial reef placement; or
(ii) any matter or thing that may afford evidence as to the commission of an offence against this Act; and
(b) that the issue of the warrant is reasonably required for the purposes of this Act;
the magistrate may grant a warrant authorizing the inspector, with such assistance as he or she thinks necessary, to enter the premises, during such hours of the day or night as the warrant specifies or, if the warrant so specifies, at any time, if necessary by force, for the purpose of exercising the functions of an inspector in accordance with section 31.
(4) Where an inspector has entered any premises in pursuance of subsection (1) or in pursuance of a warrant granted under subsection (3), he or she may exercise the functions of an inspector in accordance with section 31.