Alcance
                            This document defines requirements to support information exchanges among related entities of a common payment scheme. It defines:a)   electronic fee collection (EFC) functional requirements for a common payment medium;b)   an application structure in a common payment medium;c)   EFC application data in a common payment medium.The following are outside the scope of this document:—     requirements and data definitions for any other transport services such as public transport;—     a complete risk assessment for an EFC system using a common payment medium;—     security issues arising from an EFC application among all transport services;—     the technical trust relationship between a CSRP and a service user;—     concrete implementation specifications for implementation of security for an EFC system;—     detailed specifications required for privacy-friendly EFC implementations;—     any financial transactions of the CSRP.