# 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), Article 5: General requirements for hydrogen components and systems

Extent: E+W+S+N.I.

Manufacturers shall ensure that:
(a) hydrogen components and systems function in a correct and safe way and reliably withstand electrical, mechanical, thermal and chemical operating conditions without leaking or visibly deforming;
(b) hydrogen systems are protected against over-pressurisation;
(c) the materials used for those parts of the hydrogen components and systems which are to be in direct contact with hydrogen are compatible with hydrogen;
(d) hydrogen components and systems reliably withstand expected temperatures and pressures during their expected lifetime;
(e) hydrogen components and systems reliably withstand the range of operating temperatures laid down in the implementing measures;
(f) hydrogen components are marked in accordance with the implementing measures;
(g) hydrogen components with directional flow have the flow direction clearly indicated;
(h) hydrogen components and systems are designed in such a way that they can be installed in accordance with the requirements of Annex VI.

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Source: https://www.legislation.gov.uk/eur/2009/79/article/5 (the official version)
Page: https://openlegislation.uk/eu-regulation-2009-79/article-5
Contains public sector information licensed under the Open Government Licence v3.0. Source: legislation.gov.uk, The National Archives.