# Regulation (EC) No 999/2001 of the European Parliament and of the Council of 22 May 2001 laying down rules for the prevention, control and eradication of certain transmissible spongiform encephalopathies, Division (b): TSE monitoring

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

Samples from ovine and caprine animals sent for laboratory testing pursuant to the provisions of Annex III, Chapter A, Part II (Monitoring in ovine and caprine animals) shall be examined by a rapid test, in order to ensure the detection of all known strains of TSE.
When the result of the rapid test is inconclusive or positive, the sampled tissues shall immediately be sent to the relevant official laboratory for confirmatory examinations by histopathology, immunohistochemistry, Western blotting or demonstration of characteristic fibrils by electron microscopy, as referred to in point (a). If the result of the confirmatory examination is negative or inconclusive, the tissues shall be submitted to a further examination by immunohistochemistry or Western blotting.
If the result of one of the confirmatory examinations is positive, the animal shall be regarded as a positive TSE case.

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Source: https://www.legislation.gov.uk/eur/2001/999/annex/X/chapter/C/division/3/division/3.2/division/b (the official version)
Page: https://openlegislation.uk/eu-regulation-2001-999/annex-X/chapter-C/division-3/division-3.2/division-b
Contains public sector information licensed under the Open Government Licence v3.0. Source: legislation.gov.uk, The National Archives.