2 In addition to the information required by the definition of “identifying tag or badge” in section 8(5) of the Breeding and Sale of Dogs (Welfare) Act 1999 to be displayed on such a tag or badge, that tag or badge shall also display the following information—
(a) the date of birth of the dog, and
(b) an identifying number, if any, allocated to the dog by the licensed breeding establishment at which it was born.