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