18 (1) A provincial officer may by order prohibit entry into all or part of any land or place or prohibit the use of, interference with, disruption of, or destruction of any thing in any of the following circumstances: 1.  During an inspection under section 13, 14 or 16. 2.  During the time required for the officer to obtain an order under section 16 of this Act or a warrant under section 158 of the Provincial Offences Act. 3.  During a search carried out under a warrant issued under section 158 of the Provincial Offences Act.  2002, c. 4, s. 18 (1). Requirements for order (2) A provincial officer shall not issue an order under subsection (1) unless the officer reasonably believes that, (a)  in the case of an order prohibiting entry, there is on the land or in the place a thing that will afford evidence of an offence under this Act; (b)  in the case of an order prohibiting the use of, interference with, disruption of, or destruction of a thing, the thing will afford evidence of an offence under this Act; or (c)  in the case of an order prohibiting entry or an order prohibiting the use of, interference with, disruption of, or destruction of a thing, there is a discharge or a likelihood of discharge of materials containing nutrients into the natural environment from the land, place or thing and an adverse effect described in subsection (3) has resulted or is likely to result from the discharge.  2002, c. 4, s. 18 (2). Effect (3) The adverse effect mentioned in clause (2) (c) is an effect that is one or more of the following: 1.  Impairment of the quality of the natural environment for any use that can be made of it. 2.  Injury or damage to property or to plant or animal life. 3.  Harm or material discomfort to any person. 4.  An adverse effect on the health of any person. 5.  Impairment of the safety of any person. 6.  Rendering any property or plant or animal life unfit for human use. 7.  Interference with the normal conduct of business.  2002, c. 4, s. 18 (3). Notice of order (4) The provincial officer shall give notice of the order in the manner that the officer considers appropriate in the circumstances.  2002, c. 4, s. 18 (4). Contents of notice (5) Notice of the order shall include an explanation of the rights provided by subsections (7) and (8).  2002, c. 4, s. 18 (5). Order not effective where no notice (6) An order described in subsection (1) is not effective in any court proceeding against a person if the person satisfies the court that the person neither knew nor should have known of the order.  2002, c. 4, s. 18 (6). Request for rescission (7) A person aggrieved by the order may make an oral or written request to the Director to rescind it and may make oral or written submissions to the Director in support of the request.  2002, c. 4, s. 18 (7). Powers of Director (8) The Director shall give prompt consideration to a request or submissions made under subsection (7) and may rescind the order.  2002, c. 4, s. 18 (8). Same (9) For the purposes of subsection (8), the Director may substitute the Director’s own opinion for that of the provincial officer.  2002, c. 4, s. 18 (9). Rescission of order (10) A Director who rescinds an order under subsection (8) shall give those directions to a provincial officer that the Director considers appropriate to bring the rescission to the attention of persons affected.  2002, c. 4, s. 18 (10). No stay (11) A request for rescission of an order described in subsection (1) does not stay the order, unless the Director orders otherwise in writing.  2002, c. 4, s. 18 (11). Duration of order (12) An order described in subsection (1) shall be effective, (a)  subject to clause (b), for the shorter of the length of time necessary to complete the inspection or search mentioned in that subsection or a period not exceeding two days excluding holidays; or (b)  where the inspection or search mentioned in subsection (1) is under an order under section 16 of this Act or under a warrant issued under section 158 of the Provincial Offences Act and a time limit for the inspection or search is specified in the order or warrant, until the expiration of that time.  2002, c. 4, s. 18 (12).