Powers of entry
18.—(1) An inspector may, on producing, if required to do so, some duly authenticated document showing his authority, at all reasonable hours enter any premises (excluding premises used only as a dwelling) for the purpose of ascertaining whether—
(a)there is or has been on the premises any contravention of any provisions of these Regulations; or
(b)there is on the premises any evidence of any contravention of any provisions of these Regulations.
(2) If a justice of the peace, on sworn complaint in writing, is satisfied that there is reasonable ground for entry into any premises (excluding premises used only as a dwelling) for any such purpose as is mentioned in paragraph (1) and that either—
(a)admission to the premises has been refused, or a refusal is apprehended, and that notice of the intention to apply for a warrant has been given to the occupier; or
(b)an application for admission, or the giving of such a notice, would defeat the object of the entry, or that the case is one of urgency, or that the premises are unoccupied or the occupier temporarily absent,
the justice may by warrant signed by him authorise an inspector to enter the premises, if need be by reasonable force.
(3) An inspector entering any premises by virtue of this regulation, or of a warrant issued under it, may take with him such other persons as he considers necessary, and on leaving any unoccupied premises which he has entered by virtue of such a warrant shall leave them as effectively secured against unauthorised entry as he found them.