# 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), Division 1

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

Classification of hydrogen containers designed to use compressed (gaseous) hydrogen:
Type 1 Seamless metallic container
Type 2 Hoop wrapped container with a seamless metallic liner
Type 3 Fully wrapped container with a seamless or welded metallic liner
Type 4 Fully wrapped container with a non-metallic liner.

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Source: https://www.legislation.gov.uk/eur/2009/79/annex/IV/division/1 (the official version)
Page: https://openlegislation.uk/eu-regulation-2009-79/annex-IV/division-1
Contains public sector information licensed under the Open Government Licence v3.0. Source: legislation.gov.uk, The National Archives.