Division 4.2.2.7.1 General requirementF1
United Kingdom
The railway undertaking must define the process to ensure that all safety-related on-train equipment is in a fully functional state and that the train is safe to run.
The railway undertaking must inform the infrastructure manager of any modification to the characteristics of the train affecting its performance or any modification that might affect the ability to accommodate the train in its allocated path.
The infrastructure manager and the railway undertaking must define and keep up to date conditions and procedures for train running in degraded mode.