emergency special sessions run for a single session, with the exception of the 7th, 10th and 11th, which have been reconvened four, seventeen, and three times respectively. Procedure The procedure to call an emergency special session are laid out in the Rules of Procedure of the General Assembly. The rules pertaining to emergency special sessions are as follows (as amended by Res. 1991 that increased majority needed from 7 to 9): Rule 8(b) – Summoning at the request of the Security Council or Members Emergency special sessions can be convened by a vote of nine members of the Security Council, or a majority of United Nations Member States. These sessions must be convened within 24 hours of any votes. Rule 9(b) – Request by Members Allows any Member State of the United Nations to request the Secretary-General to convene an emergency special session. Rule 10 – Notification of session Requires the Secretary-General to notify Member States, at least 12 hours in advance, of the opening of an emergency special session convened pursuant to rule 8(b). Rule 16 – Agenda States that the provisional agenda of an emergency special session shall be communicated to Member States simultaneously with the communication convening the session. Rule 19 – Additional items During an emergency special session, additional agenda items may be added for consideration by a two-thirds majority of the members present and voting. Rule 20 – Explanatory memorandum Requires any item proposed for inclusion in the agenda to be accompanied by an explanatory memorandum. Sessions References External links UNGA Emergency Special Sessions