This European Standard specifies general criteria to demonstrate by testing that complete railway vehicles conform with standards or other normative documents. This European Standard, as a whole or in part, applies to all railway vehicles except special purpose vehicles such as track-laying machines, ballast cleaners and personnel carriers. The extent of application of the standard for particular vehicles will be specifically mentioned in the contract. NOTE: The parts of the standard which are applicable will depend on the type of vehicle (e.g. passenger, freight, powered trailer, etc.)