<p><a class="link-cta primary before" href="https://ec.europa.eu/digital-building-blocks/sites/display/OOTS/Events+calendar"><span>Back to the events calendar</span></a></p>
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<p class="h5">25 - 26 September 2025 | Lisbon, Portugal</p>
<h1 class="h2"><span class="heading-subtitle">Onsite event</span><span class="heading-regular">Europe goes <span>Once-Only</span></span> Portugal edition</h1>
<p>Accelerating the onboarding of national competent authorities to the Once-Only Technical System</p>
<!--<p><span class="badge primary">Registrations will open soon. Stay tuned!</span></p>-->
<p><a class="btn primary" target="_blank" href="https://ec.europa.eu/eusurvey/runner/OOTS-Portugal" onclick="_paq.push(['trackEvent','conversion','oots-event-portugal-25-26-september','button-register-introduction'])"><span>Register</span><span class="sr-only">(opens in a new tab)</span><span class="ico-external"></span></a></p>
<p>Registration is open until 5 September 2025<2025.</p>
<p>Participation in this event is managed by the European Commission and respective SDG national coordinators. In case of any questions you can contact us at <a href="mailto:EC-OOTS@ec.europa.eu">EC-OOTS@ec.europa.eu</a></p>
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