http://www.legislation.gov.uk/uksi/2007/529/regulation/4/2007-04-06The Cattle Identification Regulations 2007European UnionenANIMALS, ENGLAND;ANIMAL HEALTHStatute Law DatabaseExpert Participation2024-05-202007-04-06PART 3Identification and registration of cattleEar tags4Schedule 1 (ear tags) has effect.