United Nations Security Council resolution 1624, adopted unanimously at the 2005 World Summit on 14 September 2005, after reaffirming previous resolutions on terrorism, including resolutions 1267 (1999), 1373 (2001), 1535 (2004), 1540 (2004), 1566 (2004) and 1617 (2005), the Council called on all states to co-operate in order to strengthen the security of their international borders by enhancing terrorist screening and passenger security procedures.[1]