Noting with regret that the Conference on Disarmament, during its 2000 session, was unable to undertake negotiations on this subject as called for in General Assembly resolution 54/55 D of 1 December 1999,
遗憾地注意到裁军谈判会议在其2000年的会议上未能按照大会1999年12月1日第54/55 D号决议的要求就此议题进行谈判，