{
  "url": "https://openlegislation.uk/eu-regulation-2009-79/annex-I",
  "json_url": "https://openlegislation.uk/eu-regulation-2009-79/annex-I.json",
  "legislation": "eur/2009/79",
  "legislation_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)",
  "legislation_url": "https://openlegislation.uk/eu-regulation-2009-79",
  "path": "annex/I",
  "kind": "annex",
  "number": "I",
  "heading": "List of hydrogen components to be type-approved",
  "text": "Where fitted to a hydrogen-powered vehicle, the following hydrogen components must be type-approved:\n(a) components designed to use liquid hydrogen:\n1.. container;\n2.. automatic shut-off valve;\n3.. check valve or non-return valve (if used as a safety device);\n4.. flexible fuel line (if upstream of first automatic shut-off valve or other safety devices);\n5.. heat exchanger;\n6.. manual or automatic valve;\n7.. pressure regulator;\n8.. pressure relief valve;\n9.. pressure, temperature and flow sensors (if used as a safety device);\n10.. refuelling connection or receptacle;\n11.. hydrogen leakage detection sensors;\n(b) components designed to use compressed (gaseous) hydrogen with a nominal working pressure of over 3,0 MPa:\n1.. container;\n2.. automatic shut-off valve;\n3.. container assembly;\n4.. fittings;\n5.. flexible fuel line;\n6.. heat exchanger;\n7.. hydrogen filter;\n8.. manual or automatic valve;\n9.. non-return valve;\n10.. pressure regulator;\n11.. pressure relief device;\n12.. pressure relief valve;\n13.. refuelling connection or receptacle;\n14.. removable storage system connector;\n15.. pressure, temperature, hydrogen and flow sensors (if used as a safety device);\n16.. hydrogen leakage detection sensors.",
  "extent": "E+W+S+N.I.",
  "status": null,
  "version": "current",
  "annotations": [],
  "outstanding_effects": [],
  "provenance": {
    "source": "legislation.gov.uk",
    "source_url": "https://www.legislation.gov.uk/eur/2009/79/annex/I",
    "retrieved_at": "2026-11-01T14:51:40.723424+00:00"
  },
  "licence": "Open Government Licence v3.0",
  "licence_url": "https://www.nationalarchives.gov.uk/doc/open-government-licence/version/3/",
  "attribution": "Contains public sector information licensed under the Open Government Licence v3.0. Source: legislation.gov.uk, The National Archives."
}