国際連合特別総会
Rule 17: Requires that the provisional agenda for a special session only consist of those items proposed for consideration in the request for the holding of the session.
Rule 18: Allows for supplementary items to be added to the agenda by any Member States, principal organ of the United Nations or the Secretary-General at least four days before the date fixed for the opening of a special session. Such items are placed on a supplementary list.
Rule 19: During a special session, items on the supplementary list and additional items may be added to the agenda by a two-thirds majority of the members present and voting.