Changes made by Commission Decision of 18 July 1989 laying down the criteria for approval and supervision of breeders' associations, breeding organizations and private undertakings which establish or maintain registers for hybrid breeding pigs (89/504/EEC)
EU Decision 1989/504
No changes made by Commission Decision of 18 July 1989 laying down the criteria for approval and supervision of breeders' associations, breeding organizations and private undertakings which establish or maintain registers for hybrid breeding pigs (89/504/EEC) are recorded.
From legislation.gov.uk's record of changes, the official one: see it there.