Changes to Council Decision of 22 December 2000 establishing a European Police College (CEPOL) (2000/820/JHA)
EU Decision 2000/820
Made by Council Decision 2004/567/JHA of 26 July 2004 amending Decision 2000/820/JHA establishing a European Police College (CEPOL)
From legislation.gov.uk's record of changes, the official one: see it there.