On 20 January 2003, the Security Council held a high-level meeting on combating terrorism. In the Declaration attached to resolution 1456 (2003) adopted at that meeting the Council called on the Committee to intensify its efforts to promote the implementation by Member States of all aspects of resolution 1373 (2001), in particular through reviewing States' reports and facilitating international assistance and cooperation, and through continuing to operate in a transparent and effective manner.
Au paragraphe 3 de la résolution 1455 (2003), le Conseil de sécurité a souligné qu'il était nécessaire d'améliorer la coordination et de renforcer les échanges d'informations entre le Comité créé par sa résolution 1267 (1999) et le Comité créé par la résolution 1373 (2001) concernant la lutte antiterroriste.