{
  "url": "https://openlegislation.uk/eu-regulation-2017-1938/annex-VI/division-3/division-3.2",
  "json_url": "https://openlegislation.uk/eu-regulation-2017-1938/annex-VI/division-3/division-3.2.json",
  "legislation": "eur/2017/1938",
  "legislation_title": "Regulation (EU) 2017/1938 of the European Parliament and of the Council of 25 October 2017 concerning measures to safeguard the security of gas supply and repealing Regulation (EU) No 994/2010 (Text with EEA relevance)",
  "legislation_url": "https://openlegislation.uk/eu-regulation-2017-1938",
  "path": "annex/VI/division/3/division/3.2",
  "kind": "division",
  "number": "3.2",
  "heading": "...",
  "text": "(a)N – 1 formula\n(i)the identification of the single largest gas infrastructure;\n(ii)the calculation of the N – 1 formula ...;\n(iii)a description of the values used for all elements in the N – 1 formula, including intermediate values used for the calculation (e.g. for EPm indicate the capacity of all entry points considered under this parameter);\n(iv)an indication of the methodologies used, if any, for the calculation of parameters in the N – 1 formula (e.g. Dmax) (use annexes for detailed explanations);\n(v)if so decided by the Secretary of State, calculation of the N – 1 formula using demand-side measures:\nthe calculation of the N – 1 formula in accordance with point 2 of Annex II,\na description of the values used for all elements in the N – 1 formula, including intermediate figures used for the calculation (if different to the figures described under point 3(a)(iii) of this Annex),\nan indication of the methodologies used, if any, for the calculation of parameters in the N – 1 formula (e.g. Dmax) (use annexes for detailed explanations),\nan explanation of the market-based demand-side measures adopted/to be adopted to compensate a disruption of gas supply and its expected impact (Deff);\n(vi)...\n(b)bi-directional capacity\n(i)indicate the interconnection points equipped with bidirectional capacity and the maximal capacity of bi-directional flows;\n(ii)indicate the arrangements governing the use of the reverse flow capacity (e.g. interruptible capacity);\n(iii)indicate interconnection points where an exemption has been granted in accordance with Article 5(4), the duration of the exemption and the grounds on which it was granted.",
  "extent": "E+W+S+N.I.",
  "status": null,
  "version": "current",
  "annotations": [
    {
      "type": "F",
      "label": "F1",
      "text": "Words in Annex 6 point 3.2 omitted (31.12.2020) by virtue of The Gas (Security of Supply and Network Codes) (Amendment) (EU Exit) Regulations 2019 (S.I. 2019/531), reg. 1(2), Sch. 1 para. 23(5)(b)(i); 2020 c. 1, Sch. 5 para. 1(1)"
    },
    {
      "type": "F",
      "label": "F2",
      "text": "Words in Annex 6 point 3.2 omitted (31.12.2020) by virtue of The Gas (Security of Supply and Network Codes) (Amendment) (EU Exit) Regulations 2019 (S.I. 2019/531), reg. 1(2), Sch. 1 para. 23(5)(b)(ii); 2020 c. 1, Sch. 5 para. 1(1)"
    },
    {
      "type": "F",
      "label": "F3",
      "text": "Words in Annex 6 point 3.2 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. 1 para. 23(5)(b)(iii); 2020 c. 1, Sch. 5 para. 1(1)"
    },
    {
      "type": "F",
      "label": "F4",
      "text": "Annex 6 point 3.2(a)(vi) omitted (31.12.2020) by virtue of The Gas (Security of Supply and Network Codes) (Amendment) (EU Exit) Regulations 2019 (S.I. 2019/531), reg. 1(2), Sch. 1 para. 23(5)(b)(iv); 2020 c. 1, Sch. 5 para. 1(1)"
    }
  ],
  "outstanding_effects": [],
  "provenance": {
    "source": "legislation.gov.uk",
    "source_url": "https://www.legislation.gov.uk/eur/2017/1938/annex/VI/division/3/division/3.2",
    "retrieved_at": "2026-11-01T14:44:30.374784+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."
}