United Nations Security Council resolution 1600, adopted unanimously on 4 May 2005, after recalling previous resolutions on the situation in Côte d'Ivoire (Ivory Coast), particularly resolutions 1528 (2004), 1572 (2004), 1584 (2005) and 1594 (2005), the Council extended the mandate of the United Nations Operation in Côte d'Ivoire (UNOCI) until 4 June 2005.[1]