International Organization for Migration (IOM) International Organization for Standardization (ISO) International Telecommunication Union (ITU) Latin American Economic System (LAES) Latin American Integration Association (LAIA) Mercosur United Nations Mission for the Referendum in Western Sahara (MINURSO) United Nations Organization Mission in the Democratic Republic of the Congo (MONUC) Non-Aligned Movement (NAM) (observer) Organization of American States (OAS) Agency for the Prohibition of Nuclear Weapons in Latin America and the Caribbean (OPANAL) Organisation for the Prohibition of Chemical Weapons (OPCW) Permanent Court of Arbitration (PCA) Rio Group (RG) Union of South American Nations (UNASUR) United Nations United Nations Mission in Sierra Leone (UNAMSIL) United Nations Conference on Trade and Development (UNCTAD) United Nations Educational, Scientific, and Cultural Organization (UNESCO) United Nations Industrial Development Organization (UNIDO) United Nations Mission in Ethiopia and Eritrea (UNMEE) United Nations Mission of Support in East Timor (UNMISET) United Nations Military Observer Group in India and Pakistan (UNMOGIP) United Nations Mission of Observers in Tajikistan (UNMOT) United Nations Observer Mission in Georgia (UNOMIG) Universal Postal Union (UPU) World Confederation of Labour (WCL) World Customs Organization (WCO) World Federation of Trade Unions (WFTU) World Health Organization (WHO) World Intellectual Property Organization (WIPO) World Meteorological Organization (WMO) World Tourism Organization (WToO) World Trade Organization (WTO) References External links Official website Parliament of Uruguay Presidency of Uruguay Political Data Bank at the Social Sciences School of the Universidad de la República (Uruguay) Further reading Revolution Through Reform: Popular Assemblies, Housing Cooperatives, and Uruguay’s New Left