#eif13 - As far as possible under the legislation in force, ask users of European public services once-only and relevant-only information.


A recommendation regarding interoperability principle #eif6p - User-centricity.


Source: European Interoperability Framework - Promoting seamless services and data flows for European public administrations, COM(2017)134, 23 March 2017, url (Available in the languages of the EU Member States)