{
  "url": "https://openlegislation.uk/eu-regulation-2017-1151/annex-XXI/division-1/division-5/division-5.9",
  "json_url": "https://openlegislation.uk/eu-regulation-2017-1151/annex-XXI/division-1/division-5/division-5.9.json",
  "legislation": "eur/2017/1151",
  "legislation_title": "Commission Regulation (EU) 2017/1151 of 1 June 2017 supplementing Regulation (EC) No 715/2007 of the European Parliament and of the Council on type-approval of motor vehicles with respect to emissions from light passenger and commercial vehicles (Euro 5 and Euro 6) and on access to vehicle repair and maintenance information, amending Directive 2007/46/EC of the European Parliament and of the Council, Commission Regulation (EC) No 692/2008 and Commission Regulation (EU) No 1230/2012 and repealing Commission Regulation (EC) No 692/2008 (Text with EEA relevance)",
  "legislation_url": "https://openlegislation.uk/eu-regulation-2017-1151",
  "path": "annex/XXI/division/1/division/5/division/5.9",
  "kind": "division",
  "number": "5.9",
  "heading": "Periodically regenerating systems (K i ) family",
  "text": "Only vehicles that are identical with respect to the following characteristics may be part of the same periodically regenerating systems family:\n(a)Type of internal combustion engine: fuel type, combustion process,\n(b)Periodically regenerating system (i.e. catalyst, particulate trap);\n(i)Construction (i.e. type of enclosure, type of precious metal, type of substrate, cell density);\n(ii)Type and working principle;\n(iii)Volume ± 10 per cent;\n(iv)Location (temperature ± 100 °C at second highest reference speed).\n(c)The test mass of each vehicle in the family shall be less than or equal to the test mass of the vehicle used for the K i demonstration test plus 250 kg.\n5.9.1....\n5.9.2.",
  "extent": null,
  "status": null,
  "version": "current",
  "annotations": [
    {
      "type": "F",
      "label": "F1",
      "text": "Substituted by Commission Regulation (EU) 2018/1832 of 5 November 2018 amending Directive 2007/46/EC of the European Parliament and of the Council, Commission Regulation (EC) No 692/2008 and Commission Regulation (EU) 2017/1151 for the purpose of improving the emission type approval tests and procedures for light passenger and commercial vehicles, including those for in-service conformity and real-driving emissions and introducing devices for monitoring the consumption of fuel and electric energy (Text with EEA relevance)."
    },
    {
      "type": "F",
      "label": "F2",
      "text": "Deleted by Commission Regulation (EU) 2018/1832 of 5 November 2018 amending Directive 2007/46/EC of the European Parliament and of the Council, Commission Regulation (EC) No 692/2008 and Commission Regulation (EU) 2017/1151 for the purpose of improving the emission type approval tests and procedures for light passenger and commercial vehicles, including those for in-service conformity and real-driving emissions and introducing devices for monitoring the consumption of fuel and electric energy (Text with EEA relevance)."
    }
  ],
  "outstanding_effects": [],
  "provenance": {
    "source": "legislation.gov.uk",
    "source_url": "https://www.legislation.gov.uk/eur/2017/1151/annex/XXI/division/1/division/5/division/5.9",
    "retrieved_at": "2026-11-01T14:44:48.753743+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."
}