established-1974

aim-to establish guidelines on exports of enrichment and processing plant assistance and nuclear exports to countries of proliferation concern and regions of conflict and instability

members-(28) Australia, Austria, Belgium, Bulgaria, Canada, Czech Republic,
Denmark, Finland, France, Germany, Greece, Hungary, Ireland, Italy, Japan,
Luxembourg, Netherlands, Norway, Poland, Portugal, Romania, Russia, Slovakia,
Spain, Sweden, Switzerland, UK, US

Organismo para la Proscripcion de las Armas Nucleares en la AmericaLatina y el Caribe (OPANAL) see Agency for the Prohibition of Nuclear Weapons in Latin America and the Caribbean (OPANAL)

Organization for Economic
Cooperation and Development (OECD)

established-14 December 1960, effective 30 September 1961

aim-to promote economic cooperation and development

members-(24) Australia, Austria,
Belgium, Canada, Denmark, Finland, France, Germany,
Greece, Iceland, Ireland, Italy, Japan, Luxembourg,
Netherlands, NZ, Norway, Portugal, Spain, Sweden,
Switzerland, Turkey, UK, US special members-(2) EC, Yugoslavia

Organization of African Unity (OAU)

established-25 May 1963