Changes made by 85/414/EEC: Commission Decision of 29 July 1985 concerning animal health conditions and veterinary certification for imports of fresh meat from certain third countries
EU Decision 1985/414
Made to 85/99/EEC: Commission Decision of 21 December 1984 concerning animal health conditions and veterinary certification for imports of fresh meat from Paraguay
From legislation.gov.uk's record of changes, the official one: see it there.