Provisional Rules of Procedure
Chapter V: Secretariat
Rule 21
The Secretary-General shall act in that capacity in all meetings of the Security Council. The Secretary-General may authorize a deputy to act in his place at meetings of the Security Council.
Rule 22
The Secretary-General, or his deputy acting on his behalf, may make either oral or written statements to the Security Council concerning any question under consideration by it.
Rule 23
The Secretary-General may be appointed by the Security Council, in accordance with rule 28, as rapporteur for a specified question.
Rule 24
The Secretary-General shall provide the staff required by the Security Council. This staff shall form a part of the Secretariat.
Rule 25
The Secretary-General shall give to representatives on the Security Council notice of meetings of the Security Council and of its commissions and committees.
Rule 26
The Secretary-General shall be responsible for the preparation of documents required by the Security Council and shall, except in urgent circumstances, distribute them at least forty-eight hours in advance of the meeting at which they are to be considered.