Changes to 2004/363/EC: Commission Decision of 6 April 2004 concerning protection measures in relation to highly pathogenic avian influenza in the United States of America (notified under document number C(2004) 1310)
EU Decision 2004/363
No changes to 2004/363/EC: Commission Decision of 6 April 2004 concerning protection measures in relation to highly pathogenic avian influenza in the United States of America (notified under document number C(2004) 1310) are recorded.
From legislation.gov.uk's record of changes, the official one: see it there.