# The Road Vehicles (Construction and Use) Regulations 1986, Paragraph 8: Fuel system leakage


(1) The hydrogen fuelling line, including piping and joints, that is downstream of any shut-off valves to the fuel cell system or the engine must not leak.
(2) Compliance with sub-paragraph (1) must be verified at nominal working pressure using the test procedure set out in paragraph 5 of Annex 5 to ECE Regulation 134.02.

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Source: https://www.legislation.gov.uk/uksi/1986/1078/schedule/5A/paragraph/8 (the official version)
Page: https://openlegislation.uk/road-vehicles-construction-and-use-regulations-1986/schedule-5A/paragraph-8
Contains public sector information licensed under the Open Government Licence v3.0. Source: legislation.gov.uk, The National Archives.