{
  "url": "https://openlegislation.uk/eu-regulation-2020-689/annex-VI/chapter-4/section-3/division-2",
  "json_url": "https://openlegislation.uk/eu-regulation-2020-689/annex-VI/chapter-4/section-3/division-2.json",
  "legislation": "eur/2020/689",
  "legislation_title": "Commission Delegated Regulation (EU) 2020/689 of 17 December 2019 supplementing Regulation (EU) 2016/429 of the European Parliament and of the Council as regards rules for surveillance, eradication programmes, and disease-free status for certain listed and emerging diseases (Text with EEA relevance)",
  "legislation_url": "https://openlegislation.uk/eu-regulation-2020-689",
  "path": "annex/VI/chapter/4/section/3/division/2",
  "kind": "division",
  "number": "2",
  "heading": "The restricted zone must have been defined on a case-by-case basis and:",
  "text": "(a) it must take into account factors influencing the risks for the spread of infection with Bonamia exitiosa including other establishments and wild molluscs, such as:\n(i) the number, age, rate and distribution of the mortalities of molluscs on the establishment or group of establishments infected with Bonamia exitiosa;\n(ii) the distance to and density of neighbouring establishments or groups of establishments and wild molluscs;\n(iii) the proximity to processing establishments, contact establishments or groups of establishments;\n(iv) the species, especially susceptible species and vector species, present at the establishments or groups of establishments;\n(v) the farming practices applied in the affected and neighbouring establishments and groups of establishments;\n(vi) the hydrodynamic conditions; and\n(vii) other factors of epidemiological significance identified;\n(b) the geographical demarcation must comply with the following minimum requirements:\n(i) the protection zone must consist of an area included in a circle with a radius of at least one tidal excursion or at least 5 km, whichever is larger, centred on the establishment infected with Bonamia exitiosa, or an equivalent area determined according to appropriate hydrodynamic or epidemiological data; and\n(ii) the surveillance zone must consist of an area surrounding the protection zone, of overlapping tidal excursion zones; or an area surrounding the protection zone and included in a circle of radius 10km from the centre of the protection zone; or an equivalent area determined according to appropriate hydrodynamic or epidemiological data;\nor\n(iii) where separate protection and surveillance zones are not established, the restricted zone must consist of an area comprising both the protection zone and the surveillance zone.",
  "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/2020/689/annex/VI/chapter/4/section/3/division/2",
    "retrieved_at": "2026-11-01T14:42:38.010272+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."
}