The Once-Only Technical System will reuse the eDelivery building block to create a virtual secure network, establishing cross-domain and cross-sector interoperability across the EU. Join this hands-on technical session designed specifically for the Once-Only Technical System implementers.
![](https://ec.europa.eu/newsroom/repository/document/2023-2/Newseltter_Action_Button_Event_f7F3NSCKmScm9Q3WV4borsWIj0_93021.png)