http://www.legislation.gov.uk/uksi/2007/3493/article/21/madeThe Sheep and Goats (Records, Identification and Movement) (England) Order 2007AnimalsUnitary authoritiesStray animalsenKing's Printer of Acts of Parliament2024-04-23ANIMALS, ENGLAND;ANIMAL HEALTHThis Order makes provision for the administration and enforcement in England of Council Regulation (EC) No. 21/2004 (establishing a system for the identification and registration of ovine and caprine animals and amending Regulation (EC) No. 1782/2003 and Directives 92/102/EEC and 64/432/EEC). It revokes and replaces the Sheep and Goats (Records, Identification and Movement) (England) Order 2005, S.I. 2005/3100 (as amended by S.I. 2006/2987), changing the domestic identification requirements to reflect the fact that the UK is no longer able to take advantage of a derogation from the main double tagging regime under Council Regulation 21/2004.The Sheep and Goats (Records, Identification and Movement) (England) Order 2007The Sheep and Goats (Records, Identification and Movement) (England) Order 2009art 42PART 4Removal or replacement of identification marks
Loss of methods of identification applied in a third country21.

Where an animal is imported from a third country and re-tagged in accordance with Article 4(4) of the Council Regulation, the keeper is not required to replace a method of identification applied in the third country if it subsequently becomes lost or illegible.