Changes made by 2004/177/EC: Commission Decision of 20 February 2004 on the temporary introduction of registered horses participating in the Olympic Games or the Paralympic Games in Greece in 2004 (notified under document number C(2004) 499)
EU Decision 2004/177
No changes made by 2004/177/EC: Commission Decision of 20 February 2004 on the temporary introduction of registered horses participating in the Olympic Games or the Paralympic Games in Greece in 2004 (notified under document number C(2004) 499) are recorded.
From legislation.gov.uk's record of changes, the official one: see it there.