Changes made by 2004/84/EC: Commission Decision of 23 January 2004 concerning protection measures relating to avian influenza in Thailand (notified under document number C(2004) 171)
EU Decision 2004/84
No changes made by 2004/84/EC: Commission Decision of 23 January 2004 concerning protection measures relating to avian influenza in Thailand (notified under document number C(2004) 171) are recorded.
From legislation.gov.uk's record of changes, the official one: see it there.