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<h2>Common services</h2>
<p class="lead opacity-75">The common services are developed and maintained by the European Commission and make certain functions available in order to achieve organisational interoperability. These enable the business processes of discovering and getting the required evidence. The Commission provides these common services to allow the proper execution of the evidence exchange process.</p>

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<h3 class="h5">Evidence Broker (EB)</h3>
<p class="opacity-75">The Evidence Broker is an authoritative system that maps specific data sets as evidence types providing specific requirements. An evidence requester consults the Evidence Broker to find which types of evidence can be requested as evidence for a specific evidence subject, considering the subject's location and/or jurisdiction.</p>
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<p><span class="badge sm">In development</span></p>
<p class="opacity-50">Expected release date: <strong>December 2022</strong></p>
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<h3 class="h5">Data Service Directory (DSD)</h3>
<p class="opacity-75">The Data Service Directory acts as a catalogue of Evidence types that evidence providers can provide upon request. It is used in the Evidence Exchange process by the Evidence Requesters to discover the Evidence Providers that can provide the evidence they require.</p>
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<p><span class="badge sm">In development</span></p> 
<p class="opacity-50">Expected release date: <strong>December 2022</strong></p>
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<h3 class="h5">Semantic Repository (SR)</h3>
<p class="opacity-75">The Semantic Repository acts as a data portal for the Once-Only Technical System. It stores commonly agreed information models grouped by domain.</p>
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<p><span class="badge sm">In development</span></p> 
<p class="opacity-50">Expected release date: <strong>December 2022</strong></p>
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