If a court of summary jurisdiction is satisfied by information on oath that there is reasonable ground for suspecting that any petroleum-spirit is being kept, sent, conveyed, or exposed or offered for sale within the jurisdiction of the court in contravention of this Act, the court shall grant a search warrant authorising any person named therein to enter and examine any place, ship or vehicle named in the warrant and to search for and take samples of petroleum therein and to seize and remove any petroleum-spirit that he may find therein kept, sent, conveyed, or exposed or offered for sale in contravention of this Act, and the vessel containing any such petroleum-spirit, and to detain such petroleum-spirit and vessel until a court of summary jurisdiction has determined whether or not they are to be forfeited.

If any person by himself or by anyone in his employ or acting by his direction or with his consent refuses or fails to admit into any place, ship or vehicle occupied by him or under his control any person authorised by a warrant granted under this section to enter that place, ship or vehicle, or obstructs or prevents any person from making any search, examination or seizure or taking any samples which he is authorised by such a warrant to make or take, the first-mentioned person shall be liable on summary conviction to a fine not exceedingF2 level 3 on the standard scale and may be ordered by the court to forfeit any petroleum-spirit which is found in his possession or under his control with or without any vessel in which it is contained.