United Nations Security Council resolution 1503, adopted unanimously on 28 August 2003, after recalling resolutions 827, 955, 978, 1165, 1166, 1329, 1411, 1431 and 1481, the Council decided to split the prosecutorial duties of the International Criminal Tribunal for the former Yugoslavia and the International Criminal Tribunal for Rwanda which had previously been under the responsibility of one official, Carla Del Ponte, since 1999. Wikipedia