{
  "url": "https://openlegislation.uk/eu-regulation-2017-459/article-4",
  "json_url": "https://openlegislation.uk/eu-regulation-2017-459/article-4.json",
  "legislation": "eur/2017/459",
  "legislation_title": "Commission Regulation (EU) 2017/459 of 16 March 2017 establishing a network code on capacity allocation mechanisms in gas transmission systems and repealing Regulation (EU) No 984/2013 (Text with EEA relevance)",
  "legislation_url": "https://openlegislation.uk/eu-regulation-2017-459",
  "path": "article/4",
  "kind": "article",
  "number": "4",
  "heading": "Coordination of maintenance",
  "text": "Where maintenance of a pipeline or part of a transmission network has an impact on the amount of transmission capacity which can be offered at interconnection points, the transmission system operator(s) shall fully cooperate with their adjacent TSOs regarding their respective maintenance plans in order to minimise the impact on potential gas flows and capacity at an interconnection point. Where an adjacent TSO is a non-UK TSO, the transmission system operator must endeavour to fully cooperate with the non-UK TSO regarding their respective maintenance plans.",
  "extent": "E+W+S+N.I.",
  "status": null,
  "version": "current",
  "annotations": [
    {
      "type": "F",
      "label": "F1",
      "text": "Words in Art. 4 substituted (31.12.2020) by The Gas (Security of Supply and Network Codes) (Amendment) (EU Exit) Regulations 2019 (S.I. 2019/531), reg. 1(2), Sch. 4 para. 4(2); 2020 c. 1, Sch. 5 para. 1(1)"
    },
    {
      "type": "F",
      "label": "F2",
      "text": "Words in Art. 4 inserted (31.12.2020) by The Gas (Security of Supply and Network Codes) (Amendment) (EU Exit) Regulations 2019 (S.I. 2019/531), reg. 1(2), Sch. 4 para. 4(3); 2020 c. 1, Sch. 5 para. 1(1)"
    }
  ],
  "outstanding_effects": [],
  "provenance": {
    "source": "legislation.gov.uk",
    "source_url": "https://www.legislation.gov.uk/eur/2017/459/article/4",
    "retrieved_at": "2026-11-01T14:45:06.937757+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."
}