The United Nations Integrated Office in Sierra Leone (UNIOSIL) was established by Resolution 1620 of the United Nations Security Council in 2005 to begin operations in 2006 as a follow-up to United Nations Mission in Sierra Leone (UNAMSIL) which helped end the Sierra Leone Civil War.
United Nations Security Council resolution 1156 was adopted unanimously on 16 March 1998, after recalling Resolution 1132 (1997) on the situation in Sierra Leone and noting the return of the democratically elected President Ahmad Tejan Kabbah; the council, acting under Chapter VII of the United Nations Charter, terminated petroleum sanctions on the country, though an arms embargo remained in effect.
United Nations Security Council resolution 1162, adopted unanimously on 17 April 1998, after recalling resolutions 1132 (1997) and 1156 (1998) on the situation in Sierra Leone, the Council authorised the deployment of 10 United Nations military liaison and security advisory personnel to ascertain the situation in the country.
United Nations Security Council resolution 1171, adopted unanimously on 5 June 1998, after recalling resolutions 1132 (1997), 1156 (1998) and 1162 (1998) on the situation in Sierra Leone, the council, acting under Chapter VII of the United Nations Charter, terminated the arms embargo against the Government of Sierra Leone.
United Nations Security Council resolution 1181, adopted unanimously on 13 July 1998, after recalling all previous resolutions on the situation in Sierra Leone, the council established the United Nations Observer Mission in Sierra Leone (UNOMSIL) to monitor the military and security situation in the country for an initial period of six months until 13 January 1999.
United Nations Security Council resolution 1220, adopted unanimously on 12 January 1999, after recalling Resolution 1181 (1998) on the situation in Sierra Leone, the Council extended the mandate of the United Nations Observer Mission in Sierra Leone (UNOMSIL) until 13 March 1999.
United Nations Security Council resolution 1270, adopted unanimously on 22 October 1999, after recalling resolutions 1171 (1998), 1181 (1998), 1231 (1999) and 1260 (1999) on the situation in Sierra Leone and Resolution 1265 (1999) on the protection of civilians in armed conflict, established the United Nations Mission in Sierra Leone (UNAMSIL) to assist in the implementation of the Lomé Peace Accord.
United Nations Security Council resolution 1321, adopted unanimously on 20 September 2000, after recalling resolutions 1270 (1999), 1289 (1999), 1313 (2000) and 1317 (2000) on the situation in Sierra Leone, the Council extended the mandate of the United Nations Mission in Sierra Leone (UNAMSIL) until 31 December 2000.
United Nations Security Council resolution 1446, adopted unanimously on 4 December 2002, after recalling all previous resolutions on the situation in Sierra Leone, particularly resolutions 1132 (1997), 1171 (1998), 1299 (2000), 1306 (2000) and 1385 (2001), the Council extended prohibitions relating to the import of rough diamonds not under the control of the Sierra Leonean government until 5 June 2003.
United Nations Security Council resolution 1470, adopted unanimously on 28 March 2003, after recalling all previous resolutions on the situation in Sierra Leone, the Council extended the mandate of the United Nations Mission in Sierra Leone (UNAMSIL) for six months until 30 September 2003.
United Nations Security Council resolution 1492, adopted unanimously on 18 July 2003, after recalling all previous resolutions on the situation in Sierra Leone, the council approved a four-stage reduction of the United Nations Mission in Sierra Leone, culminating in a complete withdrawal by December 2004.
United Nations Security Council resolution 1508, adopted unanimously on 19 September 2003, after recalling all previous resolutions on the situation in Sierra Leone, the Council extended the mandate of the United Nations Mission in Sierra Leone (UNAMSIL) for six months until 31 March 2004.
United Nations Security Council resolution 1537, adopted unanimously on 30 March 2004, after recalling all previous resolutions on the situation in Sierra Leone, the council extended the mandate of the United Nations Mission in Sierra Leone (UNAMSIL) for six months until 30 September 2004 with a residual force remaining in the country until June 2005.
United Nations Security Council Resolution 1940, adopted unanimously on September 29, 2010, after recalling all previous resolutions on the situation in Sierra Leone, including resolutions 1132 (1997) and the 1171 (1998), the Council lifted an arms embargo and remaining sanctions against the country imposed in 1997.
United Nations Security Council resolution 1562 was adopted unanimously on 17 September 2004. After recalling all previous resolutions on the situation in Sierra Leone, the Council extended the mandate of the United Nations Mission in Sierra Leone (UNAMSIL) residual presence for a period of nine months until 30 June 2005.
United Nations Security Council resolution 1610, adopted unanimously on 30 June 2005, after recalling all previous resolutions on the situation in Sierra Leone, the Council extended the mandate of the United Nations Mission in Sierra Leone (UNAMSIL) for a final six months until 31 December 2005.
United Nations Security Council Resolution 1971, adopted unanimously on March 3, 2011, after recalling previous resolutions on the situation in Liberia and Sierra Leone, including Resolution 1626 (2005), the Council requested the United Nations Mission in Liberia (UNMIL) to withdraw its military personnel providing security for the Special Court for Sierra Leone, and placed the responsibility for security with the Sierra Leone Police.
United Nations Security Council resolution 1620, adopted unanimously on 31 August 2005, after recalling all previous resolutions on the situation in Sierra Leone, the council established the United Nations Integrated Office in Sierra Leone (UNIOSIL) for an initial period of twelve months beginning on 1 January 2006, to replace the United Nations Mission in Sierra Leone (UNAMSIL).
United Nations Security Council resolution 1626, adopted unanimously on 19 September 2005, after recalling all previous resolutions on the situations in Liberia and Sierra Leone, particularly resolutions 1509 (2003), 1610 (2005) and 1620 (2005), the Council extended the mandate of the United Nations Mission in Liberia (UNMIL) until 31 March 2006 and authorised the deployment of 250 troops to Sierra Leone to protect the Special Court.
United Nations Security Council Resolution 1734, adopted unanimously on December 22, 2006, after recalling all previous resolutions on the situation in Sierra Leone, including resolutions 1620 (2005) and 1688 (2006), the Council renewed the mandate of the United Nations Integrated Office in Sierra Leone (UNIOSIL) until December 31, 2007.
