{
  "url": "https://openlegislation.uk/eu-regulation-2020-688/annex-VI",
  "json_url": "https://openlegislation.uk/eu-regulation-2020-688/annex-VI.json",
  "legislation": "eur/2020/688",
  "legislation_title": "Commission Delegated Regulation (EU) 2020/688 of 17 December 2019 supplementing Regulation (EU) 2016/429 of the European Parliament and of the Council, as regards animal health requirements for movements within the Union of terrestrial animals and hatching eggs (Text with EEA relevance)",
  "legislation_url": "https://openlegislation.uk/eu-regulation-2020-688",
  "path": "annex/VI",
  "kind": "annex",
  "number": "VI",
  "heading": "CRITERIA FOR VACCINES AGAINST INFECTION WITH NEWCASTLE DISEASE VIRUS",
  "text": "Live attenuated vaccines against infection with Newcastle disease virus must be prepared from a Newcastle disease virus strain for which the master seed has been tested and shown to have an intracerebral pathogenicity index (ICPI) of:\n(a) less than 0,4 if not less than 107 EID50 (50 % Embryo Infectious Dose) are administrated to each bird in the ICPI test; or\n(b) less than 0,5 if not less than 108 EID50 are administered to each bird in the ICPI test.",
  "extent": "E+W+S+N.I.",
  "status": null,
  "version": "current",
  "annotations": [],
  "outstanding_effects": [],
  "provenance": {
    "source": "legislation.gov.uk",
    "source_url": "https://www.legislation.gov.uk/eur/2020/688/annex/VI",
    "retrieved_at": "2026-11-01T14:42:38.340952+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."
}