Central American Integration System

The Central American Integration System (, or SICA) has been the economic and political organization of Central American states since February 1, 1993.
In 1991, SICA's first nations to join were Guatemala, El Salvador, Honduras, Nicaragua, Costa Rica and Panama. Belize joined in 1998 as a full member, while the Dominican Republic became an associated state in 2004 and a full member in 2013. 
Mexico, Chile and Brazil became part of the organization as regional observers, and the Republic of China, Spain, Germany and Japan became extra-regional observers. 
SICA has been an observer of the United Nations General Assembly.