| Abbreviation |
Organisation |
| UAL |
Union Arabe des Chemins de Fer (Union of
Arab Railways), Aleppo |
| UAI |
Union des Associations Internationales
(Union of International Associations), Brussels |
| UFTAA |
Universal Federation of Travel Agents Associations,
Brussels |
| U.F.I. |
Union des Foires Internationales (Union
of International Fairs), Paris |
| UIC |
Union Internationale des Chemins de Fer
(International Union of Railways), Paris |
| UINF |
Union Internationale de la Navigation Fluviale
(International Inland Navigation Union), Strasbourg |
| UIP |
Union Internationale d'Associations de
proprietaires de wagons particuliers, (International Union of Private
Railway Truck Owners' Associations), Lugano |
| UIRR |
Union Internationale pour le transport
Rail-Route, (International Union for Rail-Road Transport), Chiasso |
| UITP |
Union Internationale des Transports Publics
(International Union of Public Transports), Brussels |
| UDEAC |
Union Douaniere et economique de l'Afrique
Centrale (Central African Customs and Economic Union), Bangui |
| UN |
United Nations, New York (Headquarters) |
| UNICITRAL |
United Nations Commission on International
Trade Law, Vienna |
| UNCTAD |
United Nations Conference on Trade and
Development, Geneva |
| UNESCO |
United Nations Educational, Scientific
and Cultural Organization, Paris |
| UNIDO |
United Nations Industrial Development Organization,
Vienna |
| UNIDROIT |
Institut International pour l'Unification
du Droit Prive, (International Institute for the Unification of Private
Law), Rome |
| UNITAR |
United Nations Institute for Training and
Research, New York |
| UPU |
Union Postale Universelle, (Universal Postal
Union), Berne |
| URF |
Union of European Railways Road Services,
Vienna |
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