All states had to comply with resolutions 1373 (2001), 1390 (2002) and 1455 (2003), become party to international conventions on terrorism, assist in terrorist investigations and implement sanctions against Al-Qaeda, the Taliban and their associates reflected in resolutions 1267 (1999), 1390 and 1455. The Council also required that all states bring those who perpetrate, support, finance or plan terrorist actions to justice and to co-operate with the Counter-Terrorism Committee.[1]