27.—(1) Notwithstanding regulation 12(2), the driver of a road tanker carrying a dangerous substance or of any other vehicle carrying a dangerous substance in a tank container shall on request produce to any police constable or goods vehicle examiner the information in writing relating to that substance which was given to him in accordance with paragraph 12(1) and such other information in his possession as will enable that constable or examiner to know the identity and quantity of the dangerous substance being carried.
(2) In this regulation, “goods vehicle examiner” has the meaning assigned thereto by section 68(2) of the Road Traffic Act 1988.