Regulation (EC) No 79/2009 of the European Parliament and of the CouncilShow full title

Regulation (EC) No 79/2009 of the European Parliament and of the Council of 14 January 2009 on type-approval of hydrogen-powered motor vehicles, and amending Directive 2007/46/EC (Text with EEA relevance)

7.In the event of an accident, the automatic shut-off valve mounted directly on or within the container shall interrupt the flow of gas from the container.U.K.