{"id":255767,"date":"2025-08-14T13:10:58","date_gmt":"2025-08-14T11:10:58","guid":{"rendered":"https:\/\/www.easyap.com\/?p=252588"},"modified":"2026-08-17T15:00:02","modified_gmt":"2026-08-17T13:00:02","slug":"normativa-en-16931-en-facturacion-electronica","status":"publish","type":"post","link":"https:\/\/www.easyap.com\/en\/blog\/normativa-en-16931-en-facturacion-electronica\/","title":{"rendered":"What is the EN 16931 standard in electronic invoicing?"},"content":{"rendered":"<p><span style=\"font-weight: 400\">Digitalization has brought many benefits to businesses, but also new regulations and limits. One of them is <\/span><b>EN 16931<\/b><span style=\"font-weight: 400\">, a European standard for electronic invoicing that aims to improve interoperability, efficiency, and transparency in transactions between public and private entities. Therefore, it affects the issuance of <\/span><a href=\"http:\/\/www.easyap.com\/workflow-de-aprobacion-de-facturas\/factura-electronica\/\"><span style=\"font-weight: 400\">electronic invoices<\/span><\/a><span style=\"font-weight: 400\"> and its role is vital if you operate in B2G environments and, increasingly, in B2B. <\/span><b>We explain what EN 16931 is and what its advantages are.<\/b><\/p>\n<h2><span style=\"font-weight: 400\">What is the EN 16931 standard?<\/span><\/h2>\n<p><span style=\"font-weight: 400\">To begin with, the EN 16931 standard is a <\/span><b>technical specification developed by the European Committee for Standardization (CEN)<\/b><span style=\"font-weight: 400\">. Specifically, it defines the semantic data model for electronic invoices.&nbsp;<\/span><\/p>\n<p><span style=\"font-weight: 400\">Regarding its origin, it was officially adopted by the European Union in 2017 and aims to<\/span><b> establish a common format for invoices issued and received between businesses and public administrations<\/b><span style=\"font-weight: 400\"> within the European Economic Area (EEA).<\/span><\/p>\n<p><span style=\"font-weight: 400\">Furthermore, among the main characteristics of EN 16931, we would highlight that:<\/span><\/p>\n<ul>\n<li style=\"font-weight: 400\" aria-level=\"1\"><span style=\"font-weight: 400\">It is a <\/span><b>harmonized standard<\/b><span style=\"font-weight: 400\"> at European level.<\/span><\/li>\n<li style=\"font-weight: 400\" aria-level=\"1\"><span style=\"font-weight: 400\">It defines a <\/span><b>semantic data model<\/b><span style=\"font-weight: 400\">, not a specific format. Therefore, it can be implemented in different markup languages such as <\/span><a href=\"https:\/\/www.easyap.com\/en\/blog\/que-es-ubl-resolvemos-las-dudas-mas-frecuentes\/\"><b>UBL<\/b><\/a><span style=\"font-weight: 400\"> (Universal Business Language) or <\/span><b>CII<\/b><span style=\"font-weight: 400\"> (Cross Industry Invoice).<\/span><\/li>\n<li style=\"font-weight: 400\" aria-level=\"1\"><span style=\"font-weight: 400\">It is designed to guarantee <\/span><b>interoperability<\/b><span style=\"font-weight: 400\"> between invoicing systems.<\/span><\/li>\n<li style=\"font-weight: 400\" aria-level=\"1\"><span style=\"font-weight: 400\">It is compatible with exchange networks such as <\/span><a href=\"https:\/\/www.easyap.com\/en\/blog\/peppol-ctc-facturacion-grandes-empresas\/\"><b>Peppol<\/b><\/a><span style=\"font-weight: 400\">, which greatly facilitates international invoice traffic.<\/span><\/li>\n<\/ul>\n<h2><span style=\"font-weight: 400\">Legal framework: European electronic invoicing regulation<\/span><\/h2>\n<p><span style=\"font-weight: 400\">In turn, EN 16931 is supported by <\/span><b>Directive 2014\/55\/EU<\/b><span style=\"font-weight: 400\"> of the European Parliament. A directive that obliges public administrations of all Member States to accept electronic invoices compliant with this standard.&nbsp;<\/span><\/p>\n<p><span style=\"font-weight: 400\">In Spain, where it also has its legal framework, the directive is transposed through the <\/span><b>Law 9\/2017 on Public Sector Contracts<\/b><span style=\"font-weight: 400\">.<\/span><\/p>\n<p><span style=\"font-weight: 400\">For its part, EN 16931 establishes a series of derived legal obligations, among which the following stand out:<\/span><\/p>\n<ul>\n<li style=\"font-weight: 400\" aria-level=\"1\"><span style=\"font-weight: 400\">The <\/span><b>public administrations<\/b><span style=\"font-weight: 400\"> are obliged to accept invoices in electronic format.<\/span><\/li>\n<li style=\"font-weight: 400\" aria-level=\"1\"><span style=\"font-weight: 400\">The <\/span><b>companies supplying the public sector<\/b><span style=\"font-weight: 400\"> must issue invoices that comply with this regulation.<\/span><\/li>\n<\/ul>\n<p><span style=\"font-weight: 400\">The truth, or the most tangible result, is that this situation has accelerated the need for <\/span><b>technological adaptation<\/b><span style=\"font-weight: 400\"> and <\/span><a href=\"https:\/\/www.easyap.com\/en\/transformacion-digital\/\"><span style=\"font-weight: 400\">digital transformation<\/span><\/a><span style=\"font-weight: 400\"> in the business fabric. Especially in companies that work or wish to work with the public sector and operate in international environments.<\/span><\/p>\n<h2><span style=\"font-weight: 400\">EN 16931 Compliance Levels<\/span><\/h2>\n<p><span style=\"font-weight: 400\">Regarding EN 16931 compliance, it can be understood from different levels. For this, technological maturity and the environmental requirements of each business must be considered:<\/span><\/p>\n<h3><span style=\"font-weight: 400\">1. Basic Compliance<\/span><\/h3>\n<ul>\n<li style=\"font-weight: 400\" aria-level=\"1\"><span style=\"font-weight: 400\">Use of a <\/span><b>structured format<\/b><span style=\"font-weight: 400\"> such as UBL or CII.<\/span><\/li>\n<li style=\"font-weight: 400\" aria-level=\"1\"><span style=\"font-weight: 400\">Inclusion of the <\/span><b>mandatory semantic elements<\/b><span style=\"font-weight: 400\"> defined by the standard.<\/span><\/li>\n<li style=\"font-weight: 400\" aria-level=\"1\"><span style=\"font-weight: 400\">Generation of invoices compatible with the <\/span><b>common European data model<\/b><span style=\"font-weight: 400\">.<\/span><\/li>\n<\/ul>\n<h3><span style=\"font-weight: 400\">2. Intermediate Compliance<\/span><\/h3>\n<ul>\n<li style=\"font-weight: 400\" aria-level=\"1\"><span style=\"font-weight: 400\">Incorporation of <\/span><b>optional elements<\/b><span style=\"font-weight: 400\"> to improve the information contained in each invoice.<\/span><\/li>\n<li style=\"font-weight: 400\" aria-level=\"1\"><span style=\"font-weight: 400\">Capacity for <\/span><b>automatic validation<\/b><span style=\"font-weight: 400\"> through syntax verification tools.<\/span><\/li>\n<li style=\"font-weight: 400\" aria-level=\"1\"><span style=\"font-weight: 400\">Partial integration with networks like the aforementioned <\/span><b>Peppol<\/b><span style=\"font-weight: 400\">.<\/span><\/li>\n<\/ul>\n<h3><span style=\"font-weight: 400\">3. Advanced Compliance<\/span><\/h3>\n<ul>\n<li style=\"font-weight: 400\" aria-level=\"1\"><b>Total automation of the invoicing cycle:&nbsp;<\/b>\n<ul>\n<li style=\"font-weight: 400\" aria-level=\"2\"><a href=\"https:\/\/www.easyap.com\/en\/e-factura-emision\/\"><span style=\"font-weight: 400\">Issuance<\/span><\/a><span style=\"font-weight: 400\">.&nbsp;<\/span><\/li>\n<li style=\"font-weight: 400\" aria-level=\"2\"><a href=\"https:\/\/www.easyap.com\/en\/recepcion-de-facturas\/\"><span style=\"font-weight: 400\">Reception<\/span><\/a><span style=\"font-weight: 400\">.<\/span><\/li>\n<li style=\"font-weight: 400\" aria-level=\"2\"><a href=\"https:\/\/www.easyap.com\/en\/blog\/todo-lo-que-debes-saber-sobre-la-aprobacion-de-facturas\/\"><span style=\"font-weight: 400\">Approval.<\/span><\/a><span style=\"font-weight: 400\">&nbsp;<\/span><\/li>\n<li style=\"font-weight: 400\" aria-level=\"2\"><a href=\"https:\/\/www.easyap.com\/en\/blog\/guia-para-directores-financieros-sobre-como-archivar-facturas-digitales\/\"><span style=\"font-weight: 400\">Archiving<\/span><\/a><span style=\"font-weight: 400\">. <\/span><\/li>\n<\/ul>\n<\/li>\n<li style=\"font-weight: 400\" aria-level=\"1\"><span style=\"font-weight: 400\">Complete integration with <\/span><b>ERP systems<\/b><span style=\"font-weight: 400\"> and other platforms.<\/span><\/li>\n<li style=\"font-weight: 400\" aria-level=\"1\"><span style=\"font-weight: 400\">Capacity to manage <\/span><b>large volumes of invoices<\/b><span style=\"font-weight: 400\"> with traceability.<\/span><\/li>\n<\/ul>\n<table style=\"width: 911px\">\n<p><b>Compliance<\/b><br \/>\n<b>Structured format<\/b><br \/>\n<b>Automatic validation<\/b><br \/>\n<b>Peppol integration<\/b><br \/>\n<b>ERP automation<\/b><\/p>\n<p><span style=\"font-weight: 400\">Basic<\/span><br \/>\n<span style=\"font-weight: 400\">Yes<\/span><br \/>\n<span style=\"font-weight: 400\">No<\/span><br \/>\n<span style=\"font-weight: 400\">No<\/span><br \/>\n<span style=\"font-weight: 400\">No<\/span><\/p>\n<p><span style=\"font-weight: 400\">Intermediate<\/span><br \/>\n<span style=\"font-weight: 400\">Yes<\/span><br \/>\n<span style=\"font-weight: 400\">Yes<\/span><br \/>\n<span style=\"font-weight: 400\">Partial<\/span><br \/>\n<span style=\"font-weight: 400\">Partial<\/span><\/p>\n<p><span style=\"font-weight: 400\">Advanced<\/span><br \/>\n<span style=\"font-weight: 400\">Yes<\/span><br \/>\n<span style=\"font-weight: 400\">Yes<\/span><br \/>\n<span style=\"font-weight: 400\">Complete<\/span><br \/>\n<span style=\"font-weight: 400\">Complete<\/span><\/p>\n<\/table>\n<h2><\/h2>\n<h2><span style=\"font-weight: 400\">How EN 16931 is applied: processes and conditions<\/span><\/h2>\n<p><span style=\"font-weight: 400\">In any case, when it comes to complying with EN 16931 and implementing software that adapts to it, a process must be followed and a series of steps taken to ensure effective compliance with the standard. So the step-by-step process would be:<\/span><\/p>\n<h3><span style=\"font-weight: 400\">1. Initial Diagnosis<\/span><\/h3>\n<ul>\n<li style=\"font-weight: 400\" aria-level=\"1\"><span style=\"font-weight: 400\">Evaluate your current invoicing system.<\/span><\/li>\n<li style=\"font-weight: 400\" aria-level=\"1\"><span style=\"font-weight: 400\">Identify compatibility with official formats.<\/span><\/li>\n<li style=\"font-weight: 400\" aria-level=\"1\"><span style=\"font-weight: 400\">Analyze your software&#8217;s interoperability capability.<\/span><\/li>\n<\/ul>\n<h3><span style=\"font-weight: 400\">2. Software Provider Selection<\/span><\/h3>\n<ul>\n<li style=\"font-weight: 400\" aria-level=\"1\"><span style=\"font-weight: 400\">Choose a solution that ensures full compliance with European invoicing regulations in general, and with EN 16931 in particular.<\/span><\/li>\n<li style=\"font-weight: 400\" aria-level=\"1\"><span style=\"font-weight: 400\">Consider functionalities such as automation, integration with ERPs, legal updates, and, of course, support.<\/span><\/li>\n<\/ul>\n<h3><span style=\"font-weight: 400\">3. Internal Process Adaptation<\/span><\/h3>\n<ul>\n<li style=\"font-weight: 400\" aria-level=\"1\"><span style=\"font-weight: 400\">Train administrative and financial staff in the use of the chosen solution and ensure they know and understand the regulation itself.<\/span><\/li>\n<li style=\"font-weight: 400\" aria-level=\"1\"><span style=\"font-weight: 400\">Redefine accounting workflows based on what your system offers.<\/span><\/li>\n<\/ul>\n<h3><span style=\"font-weight: 400\">4. Testing and Validation<\/span><\/h3>\n<ul>\n<li style=\"font-weight: 400\" aria-level=\"1\"><span style=\"font-weight: 400\">First, generate your electronic invoices in a test environment.<\/span><\/li>\n<li style=\"font-weight: 400\" aria-level=\"1\"><span style=\"font-weight: 400\">Then, validate them on different certification platforms (such as the EU eInvoicing tool) to ensure they are correct and comply with the standard.<\/span><\/li>\n<\/ul>\n<h3><span style=\"font-weight: 400\">5. Final Deployment<\/span><\/h3>\n<ul>\n<li style=\"font-weight: 400\" aria-level=\"1\"><span style=\"font-weight: 400\">Once the previous step is complete, it&#8217;s time to activate the system in the real environment.<\/span><\/li>\n<li style=\"font-weight: 400\" aria-level=\"1\"><span style=\"font-weight: 400\">Perform continuous tracking and monitoring to ensure regulatory updates.<\/span><\/li>\n<\/ul>\n<h2><span style=\"font-weight: 400\">Advantages of adopting the EN 16931 standard<\/span><\/h2>\n<p><span style=\"font-weight: 400\">As we have been saying from the beginning, adopting this regulation is not just a legal matter. It also represents a <\/span><b>strategic opportunity to improve efficiency across the entire business scope.<\/b><\/p>\n<p><span style=\"font-weight: 400\">Specifically, the biggest benefits (operational, technological, legal, and fiscal) provided by implementing software compliant with EN 16931 are:<\/span><\/p>\n<ul>\n<li style=\"font-weight: 400\" aria-level=\"1\"><b>Fewer errors<\/b><span style=\"font-weight: 400\"> in the issuance and reception of invoices.<\/span><\/li>\n<li style=\"font-weight: 400\" aria-level=\"1\"><b>Cost savings<\/b><span style=\"font-weight: 400\"> in paper, shipments, and <\/span><a href=\"https:\/\/www.easyap.com\/en\/workflow-de-aprobacion-de-facturas\/gestion-documental\/\"><span style=\"font-weight: 400\">document management<\/span><\/a><span style=\"font-weight: 400\">.<\/span><\/li>\n<li style=\"font-weight: 400\" aria-level=\"1\"><span style=\"font-weight: 400\">More <\/span><b>payment agility<\/b><span style=\"font-weight: 400\"> and a shorter average collection period.<\/span><\/li>\n<li style=\"font-weight: 400\" aria-level=\"1\"><b>European and national legal compliance<\/b><span style=\"font-weight: 400\">.<\/span><\/li>\n<li style=\"font-weight: 400\" aria-level=\"1\"><span style=\"font-weight: 400\">Facilitates <\/span><b>auditing<\/b><span style=\"font-weight: 400\"> and <\/span><b>tax control<\/b><span style=\"font-weight: 400\"> thanks to standardized semantics.<\/span><\/li>\n<li style=\"font-weight: 400\" aria-level=\"1\"><b>Interoperability<\/b><span style=\"font-weight: 400\"> with European systems.<\/span><\/li>\n<li style=\"font-weight: 400\" aria-level=\"1\"><b>Integration with ERP systems<\/b><span style=\"font-weight: 400\"> and accounting platforms.<\/span><\/li>\n<li style=\"font-weight: 400\" aria-level=\"1\"><span style=\"font-weight: 400\">Improves <\/span><b>traceability and security<\/b><span style=\"font-weight: 400\"> of financial information.<\/span><\/li>\n<\/ul>\n<h3><span style=\"font-weight: 400\">Practical Cases<\/span><\/h3>\n<p><span style=\"font-weight: 400\">To better understand what EN 16931 entails and its real impact, let&#8217;s look at two specific examples:<\/span><\/p>\n<ul>\n<li style=\"font-weight: 400\" aria-level=\"1\"><span style=\"font-weight: 400\">A company that exports goods to Germany can issue invoices directly in UBL format without needing local adaptations.<\/span><\/li>\n<li style=\"font-weight: 400\" aria-level=\"1\"><span style=\"font-weight: 400\">A supplier working with the Spanish public administration can automate invoice generation complying with FACe via Peppol.<\/span><\/li>\n<\/ul>\n<h2><span style=\"font-weight: 400\">Is easyap compatible with the EN 16931 standard?<\/span><\/h2>\n<p><span style=\"font-weight: 400\">It is at this point that we must mention <\/span><b>easyap<\/b><span style=\"font-weight: 400\">. In such a demanding and changing legal environment, having a technology provider that guarantees compliance with European standards is essential.&nbsp;<\/span><\/p>\n<p><span style=\"font-weight: 400\">We offer you an<\/span><b> e-invoicing solution that is 100% compatible with the<\/b> <b>EN 16931 standard.<\/b><span style=\"font-weight: 400\"> At the same time, it is designed to cover both your legal needs and operational shortcomings. For example:<\/span><\/p>\n<ul>\n<li style=\"font-weight: 400\" aria-level=\"1\"><span style=\"font-weight: 400\">You issue and receive invoices in <\/span><b>UBL and CII<\/b><span style=\"font-weight: 400\">.<\/span><\/li>\n<li style=\"font-weight: 400\" aria-level=\"1\"><b>It integrates with other systems, as well as with the Peppol network,<\/b><span style=\"font-weight: 400\"> which is ideal if you operate internationally and cross-border.&nbsp;<\/span><\/li>\n<li style=\"font-weight: 400\" aria-level=\"1\"><b>Automatically validates the<\/b><span style=\"font-weight: 400\"> semantic content according to the standard.<\/span><\/li>\n<li style=\"font-weight: 400\" aria-level=\"1\"><span style=\"font-weight: 400\">You completely automate the <\/span><b>cycle of <\/b><a href=\"https:\/\/www.easyap.com\/blog\/category\/gestion-de-cuentas-por-pagar\/\"><b>accounts payable<\/b><\/a><b> and <\/b><a href=\"https:\/\/www.easyap.com\/en\/blog\/como-gestionar-las-cuentas-por-cobrar-de-tu-empresa\/\"><b>accounts receivable<\/b><\/a><span style=\"font-weight: 400\">.<\/span><\/li>\n<li style=\"font-weight: 400\" aria-level=\"1\"><span style=\"font-weight: 400\">You a<\/span><b>rchive digitally and in accordance with <\/b><span style=\"font-weight: 400\">the law all your invoices and documents.<\/span><\/li>\n<\/ul>\n<p><span style=\"font-weight: 400\">And all this without going into specific details, sectors, or volumes, as these are \u201cjust\u201d general benefits of easyap. Therefore, if your company wants to comply with European invoicing regulations and gain efficiency, we are the solution.<\/span><\/p>\n<p><span style=\"font-weight: 400\">To summarize, the <\/span><b>EN 16931<\/b> <b>standard is much more than a legal requirement:<\/b> <b>is a catalyst for the digital transformation of financial processes.<\/b><span style=\"font-weight: 400\">Its adoption allows companies to improve their competitiveness, adapt to the new digital environment, and create smoother and more secure business relationships across Europe.<\/span><\/p>\n<p><span style=\"font-weight: 400\">Therefore, having the help of a tool like EasyAP, which complies with standards and optimizes accounting and financial processes, is vital. <\/span><a href=\"https:\/\/www.easyap.com\/en\/contacto\/\"><b>Contact us<\/b><\/a><span style=\"font-weight: 400\"> and find out more.<\/span><\/p>\n","protected":false},"excerpt":{"rendered":"<p>Digitalization has brought many benefits to businesses, but also new regulations and limits. One of them is EN 16931, a European standard for electronic invoicing that aims to improve interoperability, efficiency, and transparency in transactions between public and private entities. Therefore, it affects the issuance of electronic invoices and its role is vital if you [&hellip;]<\/p>\n","protected":false},"author":22,"featured_media":255768,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_et_pb_use_builder":"","_et_pb_old_content":"","_et_gb_content_width":"","footnotes":""},"categories":[269],"tags":[],"class_list":["post-255767","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-uncategorized"],"yoast_head":"<!-- This site is optimized with the Yoast SEO Premium plugin v25.4 (Yoast SEO v27.6) - https:\/\/yoast.com\/product\/yoast-seo-premium-wordpress\/ -->\n<title>What is the EN 16931 standard in electronic invoicing? - easyap<\/title>\n<meta name=\"description\" content=\"Do you know what the EN 16931 standard is and why it&#039;s so important in European electronic invoicing? Do you need to comply with it? 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