{
  "url": "https://openlegislation.uk/eu-regulation-2009-1222/annex-IVa/division-2/division-2.1",
  "json_url": "https://openlegislation.uk/eu-regulation-2009-1222/annex-IVa/division-2/division-2.1.json",
  "legislation": "eur/2009/1222",
  "legislation_title": "Regulation (EC) No 1222/2009 of the European Parliament and of the Council of 25 November 2009 on the labelling of tyres with respect to fuel efficiency and other essential parameters (Text with EEA relevance)",
  "legislation_url": "https://openlegislation.uk/eu-regulation-2009-1222",
  "path": "annex/IVa/division/2/division/2.1",
  "kind": "division",
  "number": "2.1",
  "heading": "Principle",
  "text": "The measured Rolling Resistance Coefficient ( RRC m ) in a reference laboratory ( l ) shall be aligned to the assigned values of the network of reference laboratories.\nThe RRC m in a candidate laboratory ( c ) shall be aligned through one reference laboratory of the network of its choice.",
  "extent": "E+W+S+N.I.",
  "status": null,
  "version": "current",
  "annotations": [
    {
      "type": "F",
      "label": "F1",
      "text": "Inserted by Commission Regulation (EU) No 1235/2011 of 29 November 2011 amending Regulation (EC) No 1222/2009 of the European Parliament and of the Council with regard to the wet grip grading of tyres, the measurement of rolling resistance and the verification procedure (Text with EEA relevance)."
    }
  ],
  "outstanding_effects": [],
  "provenance": {
    "source": "legislation.gov.uk",
    "source_url": "https://www.legislation.gov.uk/eur/2009/1222/annex/IVa/division/2/division/2.1",
    "retrieved_at": "2026-11-01T14:51:03.606681+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."
}