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The Once-Only Technical System presented at the German Federal Office of Administration, Europe Day 2023 

11 May 2023 | 3 minutes read

On 9 May 2023, a representative of the Directorate-General for Informatics (DIGIT), in the European Commission, presented the Once-Only Technical System (OOTS) at the “Forum International – aktuell und wissenswert” event organised by the German Federal Office of Administration (Bundesverwaltungsamt, BVA).

This internal event marked Europe Day 2023 and included various presentations on topics surrounding the European Union, specifically in the context of the 30th anniversary of the Single Market.

Thomas Fillis, a contractor working on the Once-Only Technical System in DIGIT, presented the basic elements of the Once-Only Technical System, and the recent April OOTS Projectathon.

The Once-Only Technical System connects EU public authorities, so they can exchange official documents and data at the citizen’s request. It puts into practice the Once-Only Principle, which states that citizens should not be forced to provide information to authorities if another authority already holds that information in electronic format.

The 2023 OOTS Projectathon series consists of three events where different systems connect under one roof and perform a marathon of peer-to-peer interoperability and compliance tests in a structured environment. Participation in the Projection series provides support to national teams from EU Member States implementing the Once-Only Technical System.

Download the presentation (DE)