1. Context

1.1 Definition of interoperability

Interoperability is a general concept, used in a number of fields including, in addition to railways, public administration, IT, aerospace, medical, military and electrical engineering.

In the field of European Union (EU) public services, the European Interoperability Framework for European public services (European Interoperability Framework – EIF, Communication from the European Commission (COM(2017)134) adopted on March 23, 2017) defines interoperability as follows: