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.