UIC 535-2 Ed. 4 (2005) Standardisation And Positioning On Wagons Of Steps, End Platforms, Gangways, Handrails, Tow Hooks, Automatic Coupler (ac), Automatic Draw-on Coupling And Brake Valve Controls On The Uic Member Rus And Osjd Member Rus Applies to all European railways that are members of the UIC and/or of the OSJD; exceptions are the railways of the Community of Independent States (CIS).