Chapter 3 of the United Nations Charter

Article 7

 * 1) There are established as principal organs of the United Nations: a General Assembly, a Security Council, an Economic and Social Council, a Trusteeship Council, an International Court of Justice and a Secretariat.
 * 2) Such subsidiary organs as may be found necessary may be established in accordance with the present Charter.

Article 8
The United Nations shall place no restrictions on the eligibility of men and women to participate in any capacity and under conditions of equality in its principal and subsidiary organs.