Changes made by 78/118/EEC: Commission Decision of 23 December 1977 authorizing Ireland and the United Kingdom to apply special health guarantees for the prevention of leucosis in the case of bovine animals imported for breeding or production (Only the English text is authentic)
EU Decision 1978/118
No changes made by 78/118/EEC: Commission Decision of 23 December 1977 authorizing Ireland and the United Kingdom to apply special health guarantees for the prevention of leucosis in the case of bovine animals imported for breeding or production (Only the English text is authentic) are recorded.
From legislation.gov.uk's record of changes, the official one: see it there.