Changes made by 2004/889/EC: Council Decision of 16 November 2004 on the conclusion of an Agreement between the European Community and the Government of the People’s Republic of China on cooperation and mutual administrative assistance in customs matters
EU Decision 2004/889
No changes made by 2004/889/EC: Council Decision of 16 November 2004 on the conclusion of an Agreement between the European Community and the Government of the People’s Republic of China on cooperation and mutual administrative assistance in customs matters are recorded.
From legislation.gov.uk's record of changes, the official one: see it there.