States indicating after 1 April 2001 their interest in joining the expert group would also be able to participate. The Chairman of the expert group would be elected by the members, and the election would be subject to approval by the Committee on the Peaceful Uses of Outer Space.
在2001年4月1日以后表示有兴趣参加专家组的国家也能够参加专家组主席将由成员选出；选举须经和平利用外层空间委员会核准。