{
  "url": "https://openlegislation.uk/eu-regulation-2018-66/article-4",
  "json_url": "https://openlegislation.uk/eu-regulation-2018-66/article-4.json",
  "legislation": "eur/2018/66",
  "legislation_title": "Commission Delegated Regulation (EU) 2018/66 of 29 September 2017 supplementing Regulation (EU) 2016/1011 of the European Parliament and of the Council specifying how the nominal amount of financial instruments other than derivatives, the notional amount of derivatives and the net asset value of investment funds are to be assessed (Text with EEA relevance)",
  "legislation_url": "https://openlegislation.uk/eu-regulation-2018-66",
  "path": "article/4",
  "kind": "article",
  "number": "4",
  "heading": "Use of alternative amounts and values",
  "text": "Where the amounts or values for the calculation of the total value of financial instruments, financial contracts, or investment funds referencing the benchmark referred to in Articles 1, 2 and 3, are not available or are incomplete, the total value referred to in Article 20(1)(a) of Regulation (EU) 2016/1011 and the total average value referred to in Article 24(1)(a) of that Regulation shall be calculated by using alternative amounts or values, including proxies and amounts or values reported by private providers of information or open interest data calculated and published by market operators, provided that those proxies and amounts or values are of sufficient repute and are sufficiently reliable.\nAn administrator using alternative amounts or data shall calculate the total amount on a best effort basis and to the best of its ability, based on the available data.\nAn administrator using alternative amounts or data shall provide the FCA with a written specification of the data sources used when notifying the FCA in accordance with Article 24(3) of Regulation (EU) 2016/1011.",
  "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 Benchmarks (Amendment and Transitional Provision) (EU Exit) Regulations 2019 (S.I. 2019/657), regs. 1(2), 49(3)(a) (with savings in S.I. 2019/680, reg. 11); 2020 c. 1, Sch. 5 para. 1(1)"
    },
    {
      "type": "F",
      "label": "F2",
      "text": "Words in Art. 4 substituted (31.12.2020) by The Benchmarks (Amendment and Transitional Provision) (EU Exit) Regulations 2019 (S.I. 2019/657), regs. 1(2), 49(3)(b) (with savings in S.I. 2019/680, reg. 11); 2020 c. 1, Sch. 5 para. 1(1)"
    }
  ],
  "outstanding_effects": [],
  "provenance": {
    "source": "legislation.gov.uk",
    "source_url": "https://www.legislation.gov.uk/eur/2018/66/article/4",
    "retrieved_at": "2026-11-01T14:44:18.785323+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."
}