Changes made by 97/285/EC: Commission Decision of 30 April 1997 concerning certain protection measures relating to classical swine fever in Spain
EU Decision 1997/285
No changes made by 97/285/EC: Commission Decision of 30 April 1997 concerning certain protection measures relating to classical swine fever in Spain are recorded.
From legislation.gov.uk's record of changes, the official one: see it there.