This part of the European Union Agency for Railways ERTMS website provides information
concerning aspects of the certification and authorisation processes dealing
with the Control Command and Signalling (CCS) trackside and on-board
interoperability constituents (IC) and its Subsystems (SS); also relevant in
the framework of the 4th Railway Packet.
In the section, National
Technical Rules (NTR) the current snapshot of the national technical rules
applied on the CCS on-board Subsystem in the different member states,
independent of their notification status, can be found.
The section Certification
issues contains the European Union Agency for Railways template for deviations intended as part of the
evidence to be presented when applying for an authorisation.