Only once definition
Only once. : This means eliminating the unnecessary administrative burden that arises when users have to provide the same information to multiple public administrations. The databases of all public authorities are interconnected and the stored information can be used by the other. While this is designed for the convenience of citizens, it should be done in strict accordance with data privacy rules and ultimately citizens should be in control of their personal data. This principle, underlined by the European Commission, is that in more than half of the cases Users are required by the administration to fill out forms with the information already available. Finally, an astonishing 73% of public service websites do not have a mobile-friendly version.