{
  "url": "https://openlegislation.uk/eu-regulation-2010-1158/article-4",
  "json_url": "https://openlegislation.uk/eu-regulation-2010-1158/article-4.json",
  "legislation": "eur/2010/1158",
  "legislation_title": "Commission Regulation (EU) No 1158/2010 of 9 December 2010 on a common safety method for assessing conformity with the requirements for obtaining railway safety certificates (Text with EEA relevance)",
  "legislation_url": "https://openlegislation.uk/eu-regulation-2010-1158",
  "path": "article/4",
  "kind": "article",
  "number": "4",
  "heading": "Supervision",
  "text": "After granting a safety certificate, national safety authorities shall, for both Part A safety certificates and Part B safety certificates, supervise railway undertakings’ continued application of their safety management system and shall apply the principles for supervision set out in Annex IV.",
  "extent": "E+W+S+N.I.",
  "status": null,
  "version": "current",
  "annotations": [
    {
      "type": "F",
      "label": "F1",
      "text": "Words in Art. 4 inserted (E.W.S.) (31.12.2020) by The Rail Safety (Amendment etc.) (EU Exit) Regulations 2019 (S.I. 2019/837), regs. 1, 12(5); 2020 c. 1, Sch. 5 para. 1(1); and words in Art. 4 inserted (N.I.) (31.12.2020) by The Rail Safety (Amendment etc.) (EU Exit) Regulations 2019 (S.I. 2019/837), regs. 1, 17(5); 2020 c. 1, Sch. 5 para. 1(1)"
    }
  ],
  "outstanding_effects": [],
  "provenance": {
    "source": "legislation.gov.uk",
    "source_url": "https://www.legislation.gov.uk/eur/2010/1158/article/4",
    "retrieved_at": "2026-11-01T14:50:26.938698+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."
}