. "The index of a vocabulary term in Appendix D2 Elements the infrastructure manager has to provide to the railway undertaking for the Route Book from the document Commission Implementing Regulation (EU) 2019/773 of 16 May 2019 on the technical specification for interoperability relating to the operation and traffic management subsystem of the rail system within the European Union and repealing Decision 2012/757/EU."@en . . "Appendix D2 index"@en . "The index of a vocabulary term in Appendix D2 Elements the infrastructure manager has to provide to the railway undertaking for the Route Book from the document Commission Implementing Regulation (EU) 2019/773 of 16 May 2019 on the technical specification for interoperability relating to the operation and traffic management subsystem of the rail system within the European Union and repealing Decision 2012/757/EU."@en .