Changes made by 1999/78/EC: Council Decision of 22 June 1998 on the conclusion of an Agreement on Mutual Recognition between the European Community and the United States of America
EU Decision 1999/78
No changes made by 1999/78/EC: Council Decision of 22 June 1998 on the conclusion of an Agreement on Mutual Recognition between the European Community and the United States of America are recorded.
From legislation.gov.uk's record of changes, the official one: see it there.