{
  "url": "https://openlegislation.uk/measuring-instruments-regulations-2016/regulation-51",
  "json_url": "https://openlegislation.uk/measuring-instruments-regulations-2016/regulation-51.json",
  "legislation": "uksi/2016/1153",
  "legislation_title": "The Measuring Instruments Regulations 2016",
  "legislation_url": "https://openlegislation.uk/measuring-instruments-regulations-2016",
  "path": "regulation/51",
  "kind": "regulation",
  "number": "51",
  "heading": "Prohibition on improper use of the UK marking and the M marking",
  "text": "(1) An economic operator must not affix the UK marking or the M marking to a regulated measuring instrument unless—\n(a) that economic operator is the manufacturer of the regulated measuring instrument; and\n(b) the conformity of the regulated measuring instrument with the essential requirements has been demonstrated by a relevant conformity assessment procedure.\n(2) An economic operator must not affix a marking to a regulated measuring instrument which is not the UK marking or the M marking but which purports to attest that the regulated measuring instrument satisfies the essential requirements.\n(3) An economic operator must not affix to a regulated measuring instrument a marking, sign or inscription which is likely to mislead any other person as to the meaning or form of the marking.\n(4) An economic operator must not affix to a regulated measuring instrument any other marking if the visibility, legibility and meaning of the UK marking or the M marking would be impaired as a result.",
  "extent": "E+W+S",
  "status": null,
  "version": "current",
  "annotations": [
    {
      "type": "F",
      "label": "F1",
      "text": "Reg. 51 substituted (E.W.S.) (31.12.2020) by The Product Safety and Metrology etc. (Amendment etc.) (EU Exit) Regulations 2019 (S.I. 2019/696), reg. 1, Sch. 27 para. 36 (with Sch. 27 para. 50(a)) (as amended by S.I. 2020/676, regs. 1(1), 2); 2020 c. 1, Sch. 5 para. 1(1)"
    },
    {
      "type": "E",
      "label": "E1",
      "text": "This version of this provision extends to England and Wales and Scotland only; a separate version has been created for Northern Ireland only"
    }
  ],
  "outstanding_effects": [],
  "provenance": {
    "source": "legislation.gov.uk",
    "source_url": "https://www.legislation.gov.uk/uksi/2016/1153/regulation/51",
    "retrieved_at": "2026-10-28T23:17:40.726189+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."
}