# Commission Regulation (EU) 2018/782 of 29 May 2018 establishing the methodological principles for the risk assessment and risk management recommendations referred to in Regulation (EC) No 470/2009 (Text with EEA relevance), Division III.3.8

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

A suitable marker residue shall be identified. The marker residue may be the parent drug, any of its metabolites or a combination of any of these. The marker residue shall have the following properties:
(a)it shall have a known relationship between it and the total residue concentration in the edible tissue/food commodity of interest;
(b)it is appropriate for use in testing for the presence of residues at the time point of interest;
(c)it shall have a practicable analytical method to measure it at the level of the MRL.

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Source: https://www.legislation.gov.uk/eur/2018/782/annex/I/division/III/division/III.3/division/III.3.8 (the official version)
Page: https://openlegislation.uk/eu-regulation-2018-782/annex-I/division-III/division-III.3/division-III.3.8
Contains public sector information licensed under the Open Government Licence v3.0. Source: legislation.gov.uk, The National Archives.