ISO/TS 21193:2024

Electronic fee collection — Requirements for EFC application interfaces on common media

Scope

This document defines requirements to support information exchanges among related entities of a common payment scheme. It defines:
a)       EFC-related 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 is 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.