New guidance from
https://www.gov.uk/guidance/rail-transport-from-1-january-2021Licenses, documentation and compliance for international services to / from the
UK▸ - changes
Summary
EU» -based railway undertakings
If you are an EU-based operator, and have not already applied for UK documentation, you need to apply to the Office of Rail and Road (ORR» ) for documentation to run services in Great Britain. You need to obtain the necessary documentation by 31 January 2022.
You need to prepare and allow enough time to apply for and obtain this documentation. In Northern Ireland, non-UK operators are currently not subject to a time-limited period.
UK-based railway undertakings
It is likely that certificates and licences issued in the UK will not be valid in the EU from 1 January 2021.
Operators of cross-border services will be subject to the recognition implications set out in this guidance and must comply with them.