Article 42 United Nations Charter
Article 42 of the United Nations Charter is under Chapter VII: Action with Respect to Threats to the Peace, Breaches of the Peace, and Acts of Aggression
Article 42
Should the Security Council consider that measures provided for in Article 41 would be inadequate or have proved to be inadequate, it may take such action by air, sea, or land forces as may be necessary to maintain or restore international peace and security. Such action may include demonstrations, blockade, and other operations by air, sea, or land forces of Members of the United Nations.
See also: Article 41 United Nations Charter