{
  "url": "https://openlegislation.uk/railways-interoperability-regulations-2011/schedule-7/paragraph-1",
  "json_url": "https://openlegislation.uk/railways-interoperability-regulations-2011/schedule-7/paragraph-1.json",
  "legislation": "uksi/2011/3066",
  "legislation_title": "The Railways (Interoperability) Regulations 2011",
  "legislation_url": "https://openlegislation.uk/railways-interoperability-regulations-2011",
  "path": "schedule/7/paragraph/1",
  "kind": "paragraph",
  "number": "1",
  "heading": null,
  "text": "Interoperability constituents\nThe UK declaration of conformity or suitability for use applies to the interoperability constituents involved in the interoperability of the rail system. These interoperability constituents may be:\n(1.1) Multiple-use constituents\nThese are constituents that are not specific to the railway system and which may be used as such in other areas.\n(1.2) Multiple-use constituents having specific characteristics\nThese are constituents which are not, as such, specific to the railway system, but which must display specific performance levels when used for railway purposes.\n(1.3) Specific constituents\nThese are constituents that are specific to railway applications.",
  "extent": null,
  "status": null,
  "version": "current",
  "annotations": [
    {
      "type": "F",
      "label": "F1",
      "text": "Sch. 7 inserted (31.12.2020) by The Railways (Interoperability) (Amendment) (EU Exit) Regulations 2019 (S.I. 2019/345), reg. 1(2), Sch. 6 (as amended: by S.I. 2020/318, regs. 1(2)(b), 5(14)(a), 5(14)(b) and S.I. 2020/786, regs. 1(2)(b)(i), 4(11)(a), 4(11)(b)); 2020 c. 1, Sch. 5 para. 1(1)"
    }
  ],
  "outstanding_effects": [],
  "provenance": {
    "source": "legislation.gov.uk",
    "source_url": "https://www.legislation.gov.uk/uksi/2011/3066/schedule/7/paragraph/1",
    "retrieved_at": "2026-10-29T01:46:33.800983+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."
}