Changes to 79/80/EEC: Commission Decision of 22 December 1978 amending Decisions 73/30/EEC, 77/331/EEC and 78/118/EEC concerning special health guarantees in respect of bovine leucosis (Only the German, Danish, Dutch and English texts are authentic)
EU Decision 1979/80
No changes to 79/80/EEC: Commission Decision of 22 December 1978 amending Decisions 73/30/EEC, 77/331/EEC and 78/118/EEC concerning special health guarantees in respect of bovine leucosis (Only the German, Danish, Dutch and English texts are authentic) are recorded.
From legislation.gov.uk's record of changes, the official one: see it there.