5 Feb 2018
The German County Association ("Deutscher Landkreistag") published a position paper on the digitisation of public administration. One of the five demands towards the federal level claims the implementation of the once only principle. 
22 Jan 2018
Greece will interconnect over 1000 civic registries in January in order to create the Hellenic Citizens’ Registry. This allows citizens to only provide data once and public administrations to reuse and share data.