{"id":3083,"date":"2026-01-31T00:33:48","date_gmt":"2026-01-31T03:33:48","guid":{"rendered":"https:\/\/wai.global\/?p=3083"},"modified":"2026-01-31T00:33:49","modified_gmt":"2026-01-31T03:33:49","slug":"que-es-el-principio-de-una-sola-vez-y-como-simplifica-los-servicios-gubernamentales","status":"publish","type":"post","link":"https:\/\/wai.global\/en\/que-es-el-principio-de-una-sola-vez-y-como-simplifica-los-servicios-gubernamentales\/","title":{"rendered":"What is the \u201cOne Time\u201d principle and how does it simplify government services?"},"content":{"rendered":"<p>The <strong>Principle of \u201cOne Time Only\u201d.\u201d<\/strong> (<em>Once-Only Principle<\/em>, OOP) is a pillar of digital government that proposes that <strong>citizens, companies and organizations must only provide certain standard data once to the Public Administration.<\/strong>, and that, with consent and within a framework of data protection, <strong>that information can be reused internally by authorized agencies<\/strong>. With this approach, administrations do not repeatedly ask for the same information in different procedures.<\/p>\n\n\n\n<p>Its goal is not only to \u201cdigitize forms\u201d, but to build interoperable and efficient digital public services that <strong>reduce the administrative burden<\/strong>, The new system is designed to improve the user experience and optimize the internal operation of the State.<\/p>\n\n\n\n<figure class=\"wp-block-image size-full\"><a href=\"https:\/\/wai.global\/wp-content\/uploads\/2026\/01\/principio-de-una-sola-vez-once-only.jpg\"><img fetchpriority=\"high\" decoding=\"async\" width=\"1000\" height=\"700\" src=\"https:\/\/wai.global\/wp-content\/uploads\/2026\/01\/principio-de-una-sola-vez-once-only.jpg\" alt=\"\" class=\"wp-image-3084\" srcset=\"https:\/\/wai.global\/wp-content\/uploads\/2026\/01\/principio-de-una-sola-vez-once-only.jpg 1000w, https:\/\/wai.global\/wp-content\/uploads\/2026\/01\/principio-de-una-sola-vez-once-only-300x210.jpg 300w, https:\/\/wai.global\/wp-content\/uploads\/2026\/01\/principio-de-una-sola-vez-once-only-768x538.jpg 768w, https:\/\/wai.global\/wp-content\/uploads\/2026\/01\/principio-de-una-sola-vez-once-only-18x12.jpg 18w\" sizes=\"(max-width: 1000px) 100vw, 1000px\" \/><\/a><\/figure>\n\n\n\n<h3 class=\"wp-block-heading\"><strong>Key fundamentals<\/strong><\/h3>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>Data shared only once:<\/strong> The citizen enters standard data (identity, address, CUIT\/CUIL, etc.) only once, and then this data is automatically reused in different services.<\/li>\n\n\n\n<li><strong>Consent and protection:<\/strong> The exchange is subject to data protection regulations and the consent of the owner.<\/li>\n\n\n\n<li><strong>Interoperability:<\/strong> Public systems communicate with each other through standards, APIs and interoperability layers to query and reuse data.<\/li>\n<\/ul>\n\n\n\n<h3 class=\"wp-block-heading\"><strong>Operational and service benefits<\/strong><\/h3>\n\n\n\n<p>Implementing the \u201cOne Time\u201d Principle allows:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>Reduce duplicate paperwork:<\/strong> Fewer forms, less paperwork, fewer loading errors.<\/li>\n\n\n\n<li><strong>Faster and more automated processes:<\/strong> Less manual intervention in validations.<\/li>\n\n\n\n<li><strong>Better citizen experience:<\/strong> The user does not repeat information.<\/li>\n\n\n\n<li><strong>Improved data quality and consistency:<\/strong> A single verified piece of information circulates among agencies.<\/li>\n\n\n\n<li><strong>Internal efficiency:<\/strong> Lower operating costs and reduced administrative burdens.<\/li>\n<\/ul>\n\n\n\n<figure class=\"wp-block-image size-full\"><a href=\"https:\/\/wai.global\/wp-content\/uploads\/2026\/01\/principio-de-una-sola-vez-eu.jpg\"><img decoding=\"async\" width=\"1000\" height=\"700\" src=\"https:\/\/wai.global\/wp-content\/uploads\/2026\/01\/principio-de-una-sola-vez-eu.jpg\" alt=\"\" class=\"wp-image-3086\" srcset=\"https:\/\/wai.global\/wp-content\/uploads\/2026\/01\/principio-de-una-sola-vez-eu.jpg 1000w, https:\/\/wai.global\/wp-content\/uploads\/2026\/01\/principio-de-una-sola-vez-eu-300x210.jpg 300w, https:\/\/wai.global\/wp-content\/uploads\/2026\/01\/principio-de-una-sola-vez-eu-768x538.jpg 768w, https:\/\/wai.global\/wp-content\/uploads\/2026\/01\/principio-de-una-sola-vez-eu-18x12.jpg 18w\" sizes=\"(max-width: 1000px) 100vw, 1000px\" \/><\/a><\/figure>\n\n\n\n<h2 class=\"wp-block-heading\"><strong>Real and practical use cases<\/strong><\/h2>\n\n\n\n<p>Specific examples of how this principle is or can be applied in municipal governments, provincial governments, decentralized agencies and at the national level are described below.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">Management of municipal procedures: authorizations and permits.<\/h3>\n\n\n\n<p><strong>Context:<\/strong> A local business must repeatedly present personal documents, proof of CUIT, rental agreement or deed, floor plan or even previous authorizations.<\/p>\n\n\n\n<p><strong>Application of the Principle:<\/strong><\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>The municipal system automatically obtains <strong>basic identity and CUIT\/CUIL data<\/strong> from a reliable source.<\/li>\n\n\n\n<li><strong>Previous qualification data is reused<\/strong> if they have already been validated in previous procedures.<\/li>\n\n\n\n<li>The forms are <strong>automatically precomplete<\/strong>, reducing errors.<\/li>\n<\/ul>\n\n\n\n<p><strong>Result:<\/strong> Less time for citizens and greater efficiency for municipal staff.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\"><strong>2. Driver's licenses<\/strong><\/h3>\n\n\n\n<p><strong>Context:<\/strong> Driver's license applications or renewals often require duplicate data and certificates; for example, the famous \u201clibre deuda\u201d.<\/p>\n\n\n\n<p><strong>Application of the Principle:<\/strong><\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>The system accesses identity and address without asking the citizen to re-enter them.<\/li>\n\n\n\n<li>Data such as <strong>violation history and clearance certificates<\/strong> are automatically validated from authorized systems.<\/li>\n<\/ul>\n\n\n\n<p><strong>Result:<\/strong> Faster processes and fewer additional documentation requirements.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">3. Enrollment in social programs and subsidies<\/h3>\n\n\n\n<p><strong>Context:<\/strong> In order to access subsidies, family, housing or economic situation documentation is often requested repeatedly.<\/p>\n\n\n\n<p><strong>Application of the Principle:<\/strong><\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>The government automatically queries data from <strong>social, tax or household patterns<\/strong> when there is consent.<\/li>\n\n\n\n<li>The person does not repeat documentation already verified.<\/li>\n<\/ul>\n\n\n\n<p><strong>Result:<\/strong> Less paperwork for the citizen and faster assignment of benefits.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\"><strong>4. Digital front desk and citizen service<\/strong><\/h3>\n\n\n\n<p><strong>Context:<\/strong> A citizen submits a general complaint or request to different areas of the government.<\/p>\n\n\n\n<p><strong>Application of the Principle:<\/strong><\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>The digital platform recognizes the citizen once authenticated.<\/li>\n\n\n\n<li>The system queries already stored basic data and <strong>pre-filled forms<\/strong>.<\/li>\n\n\n\n<li>The company maintains a <strong>centralized interaction profile<\/strong> with the State.<\/li>\n<\/ul>\n\n\n\n<p><strong>Result:<\/strong> Coherent and fluid experience, without repetition.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\"><strong>5. Procurement and suppliers<\/strong><\/h3>\n\n\n\n<p><strong>Context:<\/strong> Suppliers repeatedly upload tax documentation, certifications and background information for bids.<\/p>\n\n\n\n<p><strong>Application of the Principle:<\/strong><\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>The supplier base reuses verified data from <strong>official records<\/strong>.<\/li>\n\n\n\n<li>Tax records and certifications are automatically consulted.<\/li>\n<\/ul>\n\n\n\n<p><strong>Result:<\/strong> More agile participation in contracting processes.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\"><strong>6. Health services and continuity of care (European case)<\/strong><\/h3>\n\n\n\n<p>In countries such as Estonia, the principle is integrated with the <strong>electronic health record<\/strong>, where professionals consult clinical data without asking the patient to provide it repeatedly, and the data is updated from a central repository.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\"><strong>International implementation examples<\/strong><\/h2>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>Estonia:<\/strong> The principle is at the heart of the digital infrastructure: data is uploaded once and reused in procedures such as document renewal, tax services and health.<\/li>\n\n\n\n<li><strong>Belgium:<\/strong> Law of 2014 obliges administrations to obtain data from official records instead of re-requesting them, enabling interconnected electronic services.<\/li>\n\n\n\n<li><strong>Spain:<\/strong> The Data Brokerage Platform allows organizations to consult certified data and replace paper certificates.<\/li>\n<\/ul>\n\n\n\n<h2 class=\"wp-block-heading\"><strong>Getting started in local government<\/strong><\/h2>\n\n\n\n<ol class=\"wp-block-list\">\n<li><strong>Identify critical data:<\/strong> CUIT\/CUIL, identity, domicile, family ties, representation of legal entities.<\/li>\n\n\n\n<li><strong>Establish authentic sources:<\/strong> Official repositories with version control.<\/li>\n\n\n\n<li><strong>Building interoperability:<\/strong> APIs, data buses and shared platforms.<\/li>\n\n\n\n<li><strong>Ensuring governance and security:<\/strong> Permits, traceability and standards.<\/li>\n\n\n\n<li><strong>Implement pre-filling in key procedures:<\/strong> Intelligent forms that leverage existing data.<\/li>\n<\/ol>\n\n\n\n<p>In any case, the technical solution is simple when the political decision exists; as we always say, today technology and innovation are no longer a simple technical decision.<\/p>\n\n\n\n<p>The <strong>One Time Principle\u201c<\/strong> is more than a concept, it seeks <strong>Simplify citizen services by improving the citizen experience<\/strong>. With its adoption, governments reduce bureaucracy, increase data quality and free up time to focus on higher impact policies.<\/p>","protected":false},"excerpt":{"rendered":"<p>El Principio de \u201cUna Sola Vez\u201d (Once-Only Principle, OOP) es un pilar del gobierno digital que propone que ciudadanos, empresas y organizaciones solo deben proporcionar ciertos datos est\u00e1ndar una sola vez a la Administraci\u00f3n P\u00fablica, y que, con consentimiento y dentro de un marco de protecci\u00f3n de datos, esa informaci\u00f3n pueda ser reutilizada internamente por [&hellip;]<\/p>\n","protected":false},"author":3,"featured_media":3085,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"inline_featured_image":false,"footnotes":""},"categories":[8],"tags":[46],"class_list":["post-3083","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-digitalizacion","tag-principio-de-una-sola-vez"],"_links":{"self":[{"href":"https:\/\/wai.global\/en\/wp-json\/wp\/v2\/posts\/3083","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/wai.global\/en\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/wai.global\/en\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/wai.global\/en\/wp-json\/wp\/v2\/users\/3"}],"replies":[{"embeddable":true,"href":"https:\/\/wai.global\/en\/wp-json\/wp\/v2\/comments?post=3083"}],"version-history":[{"count":1,"href":"https:\/\/wai.global\/en\/wp-json\/wp\/v2\/posts\/3083\/revisions"}],"predecessor-version":[{"id":3087,"href":"https:\/\/wai.global\/en\/wp-json\/wp\/v2\/posts\/3083\/revisions\/3087"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/wai.global\/en\/wp-json\/wp\/v2\/media\/3085"}],"wp:attachment":[{"href":"https:\/\/wai.global\/en\/wp-json\/wp\/v2\/media?parent=3083"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/wai.global\/en\/wp-json\/wp\/v2\/categories?post=3083"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/wai.global\/en\/wp-json\/wp\/v2\/tags?post=3083"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}