Changes made by Commission Decision of 18 July 1989 laying down the certificate of hybrid breeding pigs, their semen, ova and embryos (89/506/EEC)
EU Decision 1989/506
No changes made by Commission Decision of 18 July 1989 laying down the certificate of hybrid breeding pigs, their semen, ova and embryos (89/506/EEC) are recorded.
From legislation.gov.uk's record of changes, the official one: see it there.