{
  "url": "https://openlegislation.uk/eu-regulation-2011-582/annex-II/division-4/division-4.6/division-4.6.6/division-4.6.6.1",
  "json_url": "https://openlegislation.uk/eu-regulation-2011-582/annex-II/division-4/division-4.6/division-4.6.6/division-4.6.6.1.json",
  "legislation": "eur/2011/582",
  "legislation_title": "Commission Regulation (EU) No 582/2011 of 25 May 2011 implementing and amending Regulation (EC) No 595/2009 of the European Parliament and of the Council with respect to emissions from heavy duty vehicles (Euro VI) and amending Annexes I and III to Directive 2007/46/EC of the European Parliament and of the Council (Text with EEA relevance)",
  "legislation_url": "https://openlegislation.uk/eu-regulation-2011-582",
  "path": "annex/II/division/4/division/4.6/division/4.6.6/division/4.6.6.1",
  "kind": "division",
  "number": "4.6.6.1",
  "heading": null,
  "text": "As an alternative to point 4.6.6, the electrical power to the PEMS system may be supplied by the internal electrical system of the vehicle as long as the power demand for the test equipment does not increase the output from the engine by more than 1 % of its maximum power and measures are taken to prevent excessive discharge of the battery when the engine is not running or idling.",
  "extent": "E+W+S+N.I.",
  "status": null,
  "version": "current",
  "annotations": [
    {
      "type": "F",
      "label": "F1",
      "text": "Inserted by Commission Regulation (EU) No 133/2014 of 31 January 2014 amending, for the purposes of adapting to technical progress as regards emission limits, Directive 2007/46/EC of the European Parliament and of the Council, Regulation (EC) No 595/2009 of the European Parliament and of the Council and Commission Regulation (EU) No 582/2011 (Text with EEA relevance)."
    }
  ],
  "outstanding_effects": [],
  "provenance": {
    "source": "legislation.gov.uk",
    "source_url": "https://www.legislation.gov.uk/eur/2011/582/annex/II/division/4/division/4.6/division/4.6.6/division/4.6.6.1",
    "retrieved_at": "2026-11-01T14:50:03.864087+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."
}