United Nations Security Council resolution 1599, adopted unanimously on 28 April 2005, after reaffirming previous resolutions on East Timor (Timor-Leste), particularly resolutions 1543 (2004) and 1573 (2004), the Council established the United Nations Office in Timor-Leste (UNOTIL) to follow on from the United Nations Mission of Support to East Timor (UNMISET) as a special political mission for one year until 20 May 2006.[1]