EventsEvents calendar
Register for webinars and other events exploring the benefits of the Once-Only Technical System and its development.
Upcoming events
Browse upcoming events
Brussels, BelgiumProjectathon #5:
20 - 22 November 2024
“A marathon of peer-to-peer interoperability and compliance tests in a structured environment”
Coming soon
Helsinki, FinlandEurope goes Once-Only - Finland edition:
8 - 9 October 2024
“Intensifying the ongoing work to onboard national Competent Authorities to the Once-Only Technical System.”
Revisit past events
Browse past events
Brussels, Belgium#3 OOTS Accelerator Event 2024:
13 - 14 June 2024
“This hybrid event aims to accelerate technical readiness of Member States’ national infrastructure.”
Brussels, BelgiumProjectathon #4:
15 - 17 May 2024
“A marathon of peer-to-peer interoperability and compliance tests in a structured environment”
Online eventImplementers Café #9:
26 March 2024
“Looking back and moving forward: Reflecting on the lessons learned ahead of May’s Projectathon”
Projectathon Playbook
The Projectathon Playbook provides a detailed overview of the Projectathon events organized for teams across the Member States willing to test their system before the go-live of the Once-Only Technical System.