Changes made by 91/177/EEC: Commission Decision of 26 March 1991 establishing transitional measures for trade in bovine animals and swine relating to the cessation of vaccination against foot and mouth disease
EU Decision 1991/177
No changes made by 91/177/EEC: Commission Decision of 26 March 1991 establishing transitional measures for trade in bovine animals and swine relating to the cessation of vaccination against foot and mouth disease are recorded.
From legislation.gov.uk's record of changes, the official one: see it there.