4. Takes note of Security Council resolution 1643 (2005) of 15 December 2005 which calls upon the States in the West Africa region that are not participants in the Kimberley Process to intensify their efforts to join the Process, stresses that the widest possible participation in the Kimberley Process Certification Scheme is essential, and encourages all Member States to contribute to the work of the Process by seeking membership, participating actively in the Certification Scheme and complying with its undertakings;
4. 注意到安全理事会2005年12月15日第1643(2005)号决议吁请西非洲区域尚未参加金伯利进程的国家加紧努力，参加该进程，强调尽可能广泛地参加金伯利进程证书制度至关重要，敦促所有会员国通过参加进程、积极参与证书制度和遵守其规定，来促进进程的工作；