The Once Only Hub. Collaborate to build the first EU Data Space.
The Once Only Technical System (OOTS) is the first EU cross-domain data space for secure government-to-government data exchange.
To make OOTS a reality, the European Commission established the Once Only Hub (OOHUB), a space for implementors where they can discover and access all the services provided by the European Commission to implement the Once Only Technical System.
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Who's the HUB for?
National coordination groups
Responsible for the implementation of OOTS in their member state.
Competent authorities
The authorities which must allow their users to retrieve requested evidence using OOTS.
Solution providers
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