Article 1
Open ↗Appendix A to Annex I to Decision 2012/757/EU (OPE TSI) is replaced by the following: ‘Appendix A ERTMS/ETCS and ERTMS/GSM-R operating rules The operating rules for ERTMS/ETCS and ERTMS/GSM-R are specified in the Technical Document “ERTMS operational principles and rules — version 3” published on the ERA website (www.era.europa.eu).’.