Railways of the Federation of Bosnia and Herzegovina and Railways of Republika Srpska have been members of International Union of Railways (UIC) since 1992 and 1998, respectively.
International Union of Railways (Union Internationale des Chemins de fer), an international rail transport industry body.
Soviet Union | European Union | Union Army | ATP International Series | rugby union | Union | International Monetary Fund | International Red Cross and Red Crescent Movement | ATP International Series Gold | International Space Station | Amnesty International | International Olympic Committee | BirdLife International | International Finance Corporation | International Organization for Standardization | International Telecommunication Union | International Criminal Court | trade union | One Day International | International Nonproprietary Name | International Labour Organization | International Civil Aviation Organization | International Boxing Federation | Union (American Civil War) | Toronto International Film Festival | International Atomic Energy Agency | Union Pacific Railroad | International Maritime Organization | International Development Association | England national rugby union team |
With the introduction of computerised (EDP) numbers in 1970 as part of the UIC framework, the system was fundamentally changed for the first time.