Events calendarEvents calendar
Register for webinars and other events exploring the benefits of the Once-Only Technical System and its development.
Upcoming events
Browse upcoming events
8 - 9 October 2024|Helsinki, Finland
Onsite eventEurope goes Once-Only - Finland edition
Intensifying the ongoing work to onboard national Competent Authorities to the Once-Only Technical System.
20 - 22 November 2024Brussels, Belgium
Onsite eventProjectathon #5
A marathon of peer-to-peer interoperability and compliance tests in a structured environment.
Revisit past events
Browse past events
26 September 202410:00 - 12:00
Online eventImplementers Café #11
Looking back and moving forward: Reflecting on the lessons learned ahead of November’s Projectathon.
13 - 14 June 2024Brussels, Belgium
Online and offline event#3 OOTS Accelerator Event 2024
This hybrid event aims to accelerate technical readiness of Member States’ national infrastructure.
4 June 202410:00 - 12:00
Online eventImplementers Café #10
Looking back and moving forward: Reflecting on the lessons learned ahead of June's Accelerator event.
15 - 17 May 2024Brussels, Belgium
Onsite eventProjectathon #4
A marathon of peer-to-peer interoperability and compliance tests in a structured environment.
26 March 202410:00 - 11:30
Online eventImplementers Café #9
Looking back and moving forward: Reflecting on the lessons learned ahead of May’s Projectathon.
21 - 22 March 2024Brussels, Belgium
Online and offline event#2 OOTS Accelerator Event 2024
This hybrid event aims to accelerate technical readiness of Member States’ national infrastructure.
19 March 2024Brussels, Belgium
Onsite eventBoosting the EU Single Market: Towards the Single Digital Gateway 2.0
An event brought to you by the European Commission under the patronage of the 2024 Belgian Council Presidency.
27 February 202410:00 - 11:30
Online eventImplementers Café #8
Engaging Competent Authorities and implementers in OOTS Accelerators and Projectathons in 2024.
11 - 12 December 2023Brussels, Belgium
Online and offline eventOOTS Go-Live Accelerator event
This hybrid event aims to accelerate the transition from the testing phase of the project to the operational phase of the system.
07 November 202309:30 - 12:00
Online eventImplementers Café #7
Projectathon debrief & Accelerator event.
18 - 20 October 2023Brussels, Belgium
Onsite eventProjectathon #3
The third OOTS Projectathon takes place in October, just two months before the legal deadline and so comes at a critical point in Europe’s Once-Only journey.
14 - 16 June 2023Brussels, Belgium
Onsite eventProjectathon #2
The second OOTS Projectathon takes place in June, providing a valuable moment when national implementation teams can perform interoperability tests prior to the summer recess.
05 May 202309:30 - 12:00
Online eventImplementers Café #5
OOTS Preview Space and Projectathon Debrief.
19 - 21 April 2023Brussels, Belgium
Onsite eventProjectathon #1
The first OOTS Projectathon brought together participants and observers to perform key tests on their national Once-Only Technical System implementations, ahead of the June and October sessions.
21 February 202309:30 - 12:00
Online eventImplementers Café #4
Projectathon preparation and 'Once-Only' Common Services.
31 January 202309:30 - 12:15
Online eventImplementers Café #3
eID and OOTS Projectathon Registration.
26 January 202310:00 - 12:15
Online eventThe Once-Only Technical System: A hands-on guide to eDelivery
The European Commission is organising a webinar offering a practical guide to using the eDelivery building block as a core part of the Once-Only Technical System.
13 December 202214:30 - 17:00
Online eventImplementers Café #2
eDelivery & OOTS Projectathon Process.
24 November 20229:30 - 12:15
Online eventImplementers Café #1
Once-Only Technical System Guidance and Projectathon Introduction.
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.