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<h2>Architectural design of the Once-Only Technical System</h2>
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<h2>Architectural design of the Once-Only Technical System</h2>
<p class="lead">The Once-Only Technical System (OOTS) is a technical framework for data sharing. Citizens and businesses will be able to request official documents (known as “evidence”) to complete administrative procedures allowing people to study, work, live and retire in other EU countries. The decentralised architecture connects public authorities, so they can exchange evidences (official documents) at the citizen's request.</p>
<p class="lead">The citizen or business is identified and, having actively confirmed that they wish to use the Once-Only Technical System, (OOTS)is isshown a technicallist frameworkof forthe datatypes sharing.of Citizensdocument andthat businessesare willpossible be able to requestbe officialretrieved documentsdirectly (knownfrom asdata “evidence”)sources toabroad. completeThe administrativecitizen procedureswill allowingthen peopleselect towhich study,documents work,they livewish andto retireretrieve infrom otherthe EUdata countries. The decentralised architecture connects public authorities, so they can exchange evidences (official documents) at the citizen's request.</p>
<p class="lead">The citizen or business is identified and, having actively confirmed that they wish to usesources.</p>
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<div><p class="text-right"><a class="btn ghost" href="#"><span>Download the OOTS Guidance Report</span><span class="ico-download"></span></a></p></div>
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