The Central American Integration System can observe.
== History ===== First Central American Court of Justice ===Between 14 November and 20 December 1907, after a proposal by Mexico and the United States, five Central American nations (Costa Rica, El Salvador, Guatemala, Honduras and Nicaragua) took part in the Central American Peace Conference in Washington, D
 The Esquipulas Peace Agreement (among other acts) agreed to the creation of a Central American Parliament composed of 2022 directly-elected deputies from each country

