# Council Directive 2009/156/EC of 30 November 2009 on animal health conditions governing the movement and importation from third countries of equidae (codified version) (Text with EEA relevance), Division 1.2.1

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

Calculate the cut-off value by adding 0,06 to the value of the negative control (0,06 is the standard deviation derived with a group of 30 negative sera).

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Source: https://www.legislation.gov.uk/eudr/2009/156/annex/IV/part/A/division/1/division/1.2/division/1.2.1 (the official version)
Page: https://openlegislation.uk/eu-directive-2009-156/annex-IV/part-A/division-1/division-1.2/division-1.2.1
Contains public sector information licensed under the Open Government Licence v3.0. Source: legislation.gov.uk, The National Archives.