Annex XII
United Kingdom
Appendix A to the Annex to Decision 2011/314/EU (CR OPE TSI) is replaced by the following:
‘Appendix A
ERTMS operating rules
The operating rules for ERTMS/ETCS and ERTMS/GSM-R are specified in the technical document “ERTMS operational principles and rules — version 2” published on the ERA website (http://www.era.europa.eu).’.