Is the supreme Organ of OPANAL. It iss composed of all the Latin American and Caribbean States. It holds meetings annualy to make decisiones on the funcioning and agenda of the Agency.
It is composed of five Member States of the Agency - currently Brazil, Guatemala, Mexico, Paraguay and Peru. Its five members are elected by the General Conference and meet on a regular basis to ensure compliance with the obligations established by the Treaty of Tlatelolco.
It is composed of a Secretary-General and the required staff. The Secretary-General holds a four-year term and may be re-elected for a further single term. In accordance with the decisions of the General Conference and the Council, the Secretary-General ensures compliance with the obligations and objectives of the Treaty of Tlatelolco.