# Commission Regulation (EC) No 429/2008 of 25 April 2008 on detailed rules for the implementation of Regulation (EC) No 1831/2003 of the European Parliament and of the Council as regards the preparation and the presentation of applications and the assessment and the authorisation of feed additives (Text with EEA relevance), Division 2.6.1.1: These methods shall meet the same requirements as those for methods of analysis used for official control purpose laid down in Regulation (EU) 2017/625. In particular they shall meet at least one of the following requirements:

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

comply with relevant assimilated law where they exist;
comply with internationally recognised rules or protocols, for example those that the European Committee for Standardisation (CEN) has accepted, or those agreed in national legislation (e.g. CEN Standard methods);
are fit for the intended purpose, developed in accordance with scientific protocols and validated in a ring test in accordance with an internationally recognised protocol on collaborative trials (e.g. ISO 5725 or IUPAC); or
are validated in-house according to international harmonised guidelines for the in-house validation of methods of analysis with respect to the characterising parameters mentioned in 2.6.1.2.

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Source: https://www.legislation.gov.uk/eur/2008/429/annex/II/division/2/division/2.6/division/2.6.1/division/2.6.1.1 (the official version)
Page: https://openlegislation.uk/eu-regulation-2008-429/annex-II/division-2/division-2.6/division-2.6.1/division-2.6.1.1
Contains public sector information licensed under the Open Government Licence v3.0. Source: legislation.gov.uk, The National Archives.