{
  "url": "https://openlegislation.uk/eu-regulation-2014-600/annex-3/23",
  "json_url": "https://openlegislation.uk/eu-regulation-2014-600/annex-3/23.json",
  "legislation": "eur/2014/600",
  "legislation_title": "Regulation (EU) No 600/2014 of the European Parliament and of the Council of 15 May 2014 on markets in financial instruments and amending Regulation (EU) No 648/2012 (Text with EEA relevance)",
  "legislation_url": "https://openlegislation.uk/eu-regulation-2014-600",
  "path": "annex/3/23",
  "kind": "article",
  "number": "23",
  "heading": null,
  "text": "To specify further—\n(a) the requirements to ensure trading systems of regulated markets are resilient and have adequate capacity;\n(b) the ratio referred to in rule 5.3A.2(7) and 5A.5.2(7) of the Market Conduct sourcebook, taking into account factors such as the value of unexecuted orders in relation to the value of executed transactions;\n(c) the controls concerning direct electronic access in such a way as to ensure that the controls applied to sponsored access are at least equivalent to those applied to direct market access;\n(d) the requirements to ensure that co-location services and fee structures are fair and non-discriminatory and that fee structures do not create incentives for disorderly trading conditions or market abuse;\n(e) the determination of where a regulated market is material in terms of liquidity in that financial instrument;\n(f) the requirements to ensure that market making schemes are fair and non-discriminatory and to establish minimum market making obligations that regulated markets must provide for when designing a market making scheme and the conditions under which the requirement to have in place a market making scheme is not appropriate, taking into account the nature and scale of the trading on that regulated market, including whether the regulated market allows for or enables algorithmic trading to take place through its systems;\n(g) the requirements to ensure appropriate testing of algorithms so as to ensure that algorithmic trading systems including high-frequency algorithmic trading systems cannot create or contribute to disorderly trading conditions on the market.",
  "extent": null,
  "status": null,
  "version": "current",
  "annotations": [
    {
      "type": "F",
      "label": "F1",
      "text": "Regulation revoked (5.4.2024 for the revocation of Sch. 3 paras. 17, 34-39, 1.12.2025 for the revocation of Art. 18b, 30.3.2026 for the revocation of Arts. 4, 4a) by Financial Services and Markets Act 2023 (c. 29), s. 86(3), Sch. 1 Pt. 1 (with s. 1(4)); S.I. 2023/1382, reg. 4(b); S.I. 2025/1078, regs. 4(b), 6(b)"
    },
    {
      "type": "F",
      "label": "F2",
      "text": "Sch. 3 inserted (31.12.2020) by The Markets in Financial Instruments (Amendment) (EU Exit) Regulations 2018 (S.I. 2018/1403), regs. 1(3), 37 (as amended by: S.I. 2019/576, regs. 1(2), 3; S.I. 2019/710, regs. 1(2), 16(17); S.I. 2019/1212, regs. 1(3), 14(7) (as itself amended by S.I. 2020/1301, regs. 1, 3, Sch. para. 45(a)(v)); S.I. 2020/1301, regs. 1, 3, Sch. para. 12(m); and S.I. 2020/1385, regs. 1(4), 49(6)) (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/2014/600/annex/3/23",
    "retrieved_at": "2026-11-01T14:47:36.068868+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."
}