This part of ISO/TS 17575 is part of a series of specifications defining the information exchange between the
Front End and the Back End in Electronic Fee Collection (EFC) based on autonomous on-board equipment
(OBE). EFC systems automatically collect charging data for the use of road infrastructure including motorway
tolls, zone-based fees in urban areas, tolls for special infrastructure like bridges and tunnels, distance-based
charging and parking fees.