United Nations Security Council resolution 1602, adopted unanimously on 31 May 2005, after recalling resolutions 1545 (2004), 1565 (2004), 1577 (2004) and 1596 (2005) on the situation in Burundi, the Council extended the mandate of the United Nations Operation in Burundi (ONUB) for a period of six months until 1 December 2005.[1]