# Commission Regulation (EC) No 911/2004 of 29 April 2004 implementing Regulation (EC) No 1760/2000 of the European Parliament and of the Council as regards eartags, passports and holding registers (Text with EEA relevance), Article 3

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

The model of the first ear tag shall be as follows:
(a) it shall consist of two parts, a male part and a female part;
(b) each part of the ear tag shall contain only the information provided for in Article 1;
(c) the length of the ear tag shall be at least 45 mm for each part;
(d) the width of the ear tag shall be at least 55 mm for each part;
(e) the characters shall have a minimum height of 5 mm.

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Source: https://www.legislation.gov.uk/eur/2004/911/article/3 (the official version)
Page: https://openlegislation.uk/eu-regulation-2004-911/article-3
Contains public sector information licensed under the Open Government Licence v3.0. Source: legislation.gov.uk, The National Archives.