Changes made by 83/380/EEC: Commission Decision of 27 July 1983 concerning animal health conditions and veterinary certification for the importation of fresh meat from Mexico
EU Decision 1983/380
No changes made by 83/380/EEC: Commission Decision of 27 July 1983 concerning animal health conditions and veterinary certification for the importation of fresh meat from Mexico are recorded.
From legislation.gov.uk's record of changes, the official one: see it there.