# 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), Division 1

Extent: E+W+S+N.I.

The number of poultry establishments to be sampled and the number of poultry to be tested per establishment and, as appropriate, by epidemiological unit (e.g. poultry flock, shed, etc.) on the concerned establishment must be based on a statistically valid sampling method. This method may be that used for representative sampling; i.e. an estimated prevalence to be detected according to a pre-defined level of confidence determined by the competent authority.

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Source: https://www.legislation.gov.uk/eur/2020/689/annex/II/section/9/division/1 (the official version)
Page: https://openlegislation.uk/eu-regulation-2020-689/annex-II/section-9/division-1
Contains public sector information licensed under the Open Government Licence v3.0. Source: legislation.gov.uk, The National Archives.