xmlns:atom="http://www.w3.org/2005/Atom"
11. In accordance with Section A.2 (second paragraph) of the Annex to the Council Regulation, at the keeper’s request—
(a)a manufacturer of approved eartags may add supplementary information to the eartag; and
(b)a manufacturer of electronic transponders may add supplementary information to the casing of the transponder,
provided that the supplementary information is distinct from the identification number and provided that the identification number remains legible at all times.