S.L. 465.52 Art. 12 Interoperability. 

(1) The application and any data processed therein is designed to support cross-border interoperability within the countries

MOBILE APPLICATION

participating in the European Federation Gateway Service.

(2) Information in the European Federation Gateway Service shall only be processed for purposes related to the promotion of interoperability between national contact tracing and warning mobile applications of participating countries for the COVID-19 pandemic and the continuity of cross-border contact tracing.