ACO was founded by a Joint Declaration of Representatives of ASEAN Cooperative Movements to constitute themselves into the ASEAN Cooperative Organization ( which was executed on 6th December 1977 in Jakarta ).
ACO played its important role as an entity that represents the cooperative movements either at the national and international level, in order to support and fulfil its objective in line with Bangkok Declaration on August 8 1967 creating equality based on vision, mission and identity of ASEAN