The Security Council has 15 members:
The Security Council does not meet sessionally but stands ready to convene at any time as the need arises.
The Provisional Rules of Procedure of the Security Council are contained in document S/96/Rev.7 (Sales number 83.I.4).
Background information about the work of the Council can be retrieved from the Repertoire of the Practice of the Security Council as well as from the Repertory of Practice of United Nations Organs.
The basic format for the symbols of Security Council documents is:
All plenary documents of the Security Council, 1946-present, are available online.