Changes made by 97/574/EC: Commission Decision of 22 July 1997 modifying Decision 97/4/EC concerning provisional lists of third country establishments from which the Member States authorize imports of fresh poultrymeat
EU Decision 1997/574
No changes made by 97/574/EC: Commission Decision of 22 July 1997 modifying Decision 97/4/EC concerning provisional lists of third country establishments from which the Member States authorize imports of fresh poultrymeat are recorded.
From legislation.gov.uk's record of changes, the official one: see it there.