# Regulation (EC) No 1222/2009 of the European Parliament and of the Council of 25 November 2009 on the labelling of tyres with respect to fuel efficiency and other essential parameters (Text with EEA relevance), Division 1

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

The wet grip class of C1 tyres must be determined on the basis of the wet grip index ( G ) according to the ‘A’ to ‘G’ scale specified in the table below, calculated in accordance with point 3 and measured in accordance with Annex V.

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Source: https://www.legislation.gov.uk/eur/2009/1222/annex/I/part/2/division/1 (the official version)
Page: https://openlegislation.uk/eu-regulation-2009-1222/annex-I/part-2/division-1
Contains public sector information licensed under the Open Government Licence v3.0. Source: legislation.gov.uk, The National Archives.