Article 27 United Nations Charter
Article 27 of the United Nations Charter is under Voting of Chapter V: The Security Council
Article 27
1. Each member of the Security Council shall have one vote.
2. Decisions of the Security Council on procedural matters shall be made by an affirmative vote of nine members.
3. Decisions of the Security Council on all other matters shall be made by an affirmative vote of nine members including the concurring votes of the permanent members; provided that, in decisions under Chapter VI, and under paragraph 3 of Article 52, a party to a dispute shall abstain from voting.
See also: Article 26 United Nations Charter