United Nations Security Council resolution 1543 was adopted unanimously on 14 May 2004, after reaffirming previous resolutions on East Timor (Timor-Leste), particularly resolutions 1410 (2002), 1473 (2003) and 1480 (2003). The Council extended the mandate of the United Nations Mission of Support to East Timor (UNMISET) for six months, with a view to extending it for a further final period of six months until 20 May 2005.[1]