# Regulation (EC) No 1272/2008 of the European Parliament and of the Council of 16 December 2008 on classification, labelling and packaging of substances and mixtures, amending and repealing Directives 67/548/EEC and 1999/45/EC, and amending Regulation (EC) No 1907/2006 (Text with EEA relevance), Division 3.6.2.2.7

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

A substance that has not been tested for carcinogenicity may in certain instances be classified in Category 1A, Category 1B or Category 2 based on tumour data from a structural analogue together with substantial support from consideration of other important factors such as formation of common significant metabolites, e.g. for benzidine congener dyes.

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Source: https://www.legislation.gov.uk/eur/2008/1272/annex/I/division/3/division/3.6/division/3.6.2/division/3.6.2.2/division/3.6.2.2.7 (the official version)
Page: https://openlegislation.uk/eu-regulation-2008-1272/annex-I/division-3/division-3.6/division-3.6.2/division-3.6.2.2/division-3.6.2.2.7
Contains public sector information licensed under the Open Government Licence v3.0. Source: legislation.gov.uk, The National Archives.