BS EN ISO 12855:2022

1   Scope This document specifies:

— the interfaces between electronic fee collection (EFC) back-office systems for vehicle-related transport services, e.g. road user charging, parking and access control;

— an exchange of information between the back end system of the two roles of service provision and toll charging, e.g.:

— charging-related data (toll declarations, billing details),

— administrative data, and

— confirmation data;

— transfer mechanisms and supporting functions;

— information objects, data syntax and semantics.

This document is applicable for any vehicle-related toll service and any technology
  used for charging. 
The data types and associated coding related to the data elements described in Clause 6 are defined in Annex A, using the abstract syntax notation one (ASN.1) according to [ISO/IEC 8824‑1](/search?q=ISO%2FIEC%C2%A08824%E2%80%911).