{
  "url": "https://openlegislation.uk/eu-regulation-2020-740/annex-V/division-2/division-2.3",
  "json_url": "https://openlegislation.uk/eu-regulation-2020-740/annex-V/division-2/division-2.3.json",
  "legislation": "eur/2020/740",
  "legislation_title": "Regulation (EU) 2020/740 of the European Parliament and of the Council of 25 May 2020 on the labelling of tyres with respect to fuel efficiency and other parameters, amending Regulation (EU) 2017/1369 and repealing Regulation (EC) No 1222/2009",
  "legislation_url": "https://openlegislation.uk/eu-regulation-2020-740",
  "path": "annex/V/division/2/division/2.3",
  "kind": "division",
  "number": "2.3",
  "heading": "Measurement method",
  "text": "The reference laboratory shall measure each alignment tyre four times and retain the three last results for further analysis, in accordance with paragraph 4 of Annex 6 to UNECE Regulation No 117 and under the conditions set out in paragraph 3 of Annex 6 to UNECE Regulation No 117.\nThe candidate laboratory shall measure each alignment tyre (n + 1) times, with n being specified in Section 5 of this Annex and retain the n last results for further analysis, in accordance with paragraph 4 of Annex 6 to UNECE Regulation No 117 and applying the conditions set out in paragraph 3 of Annex 6 to UNECE Regulation No 117.\nEach time an alignment tyre is measured, the tyre/wheel assembly shall be removed from the machine and the entire test procedure referred to in paragraph 4 of Annex 6 to UNECE Regulation No 117 shall be followed again from the start.\nThe candidate or reference laboratory shall calculate:\n(a) the measured value of each alignment tyre for each measurement as specified in paragraphs 6.2 and 6.3 of Annex 6 to UNECE Regulation No 117 (i.e. corrected for a temperature of 25 °C and a drum diameter of 2 m);\n(b) the mean value of the three last measured values of each alignment tyre (in the case of reference laboratories) or the mean value of the n last measured values of each alignment tyre (in the case of candidate laboratories); and\n(c) the standard deviation (σm ) as follows:\nwhere:\ni is the counter from 1 to p for the alignment tyres;\nj is the counter from 2 to n + 1 for the n last repetitions of each measurement of a given alignment tyre;\nn + 1 is the number of repetitions of tyre measurements (n + 1 = 4 for reference laboratories and n + 1 ≥ 4 for candidate laboratories);\np is the number of alignment tyres (p ≥ 5).",
  "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/2020/740/annex/V/division/2/division/2.3",
    "retrieved_at": "2026-11-01T14:42:35.966646+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."
}