{"id":13919,"date":"2025-05-20T13:14:57","date_gmt":"2025-05-20T13:14:57","guid":{"rendered":"https:\/\/axevera.com\/?p=13919"},"modified":"2025-05-20T13:14:58","modified_gmt":"2025-05-20T13:14:58","slug":"ico-and-dic-in-the-czech-republic-complete-guide-for-entrepreneurs-and-companies","status":"publish","type":"post","link":"https:\/\/axevera.com\/en\/2025\/05\/20\/ico-and-dic-in-the-czech-republic-complete-guide-for-entrepreneurs-and-companies\/","title":{"rendered":"I\u010cO and DI\u010c in the Czech Republic: Complete Guide for Entrepreneurs and Companies"},"content":{"rendered":"\n<p>In the Czech business landscape, <strong>I\u010cO<\/strong> and <strong>DI\u010c<\/strong> are two of the most commonly used abbreviations. Whether you&#8217;re launching a company, collaborating with Czech partners, or issuing invoices in the country, understanding these identifiers is essential for legal and tax compliance.<\/p>\n\n\n\n<p>This guide will walk you through what I\u010cO and DI\u010c mean, how they differ, how to obtain them, and where to verify them.<\/p>\n\n\n<div class=\"wp-block-image\">\n<figure class=\"aligncenter size-large is-resized\"><img loading=\"lazy\" decoding=\"async\" width=\"1024\" height=\"576\" src=\"https:\/\/axevera.com\/wp-content\/uploads\/2025\/05\/Sfondo-immagini-sito-web-20-1024x576.jpg\" alt=\"\" class=\"wp-image-13928\" style=\"width:657px;height:auto\" srcset=\"https:\/\/axevera.com\/wp-content\/uploads\/2025\/05\/Sfondo-immagini-sito-web-20-1024x576.jpg 1024w, https:\/\/axevera.com\/wp-content\/uploads\/2025\/05\/Sfondo-immagini-sito-web-20-300x169.jpg 300w, https:\/\/axevera.com\/wp-content\/uploads\/2025\/05\/Sfondo-immagini-sito-web-20-768x432.jpg 768w, https:\/\/axevera.com\/wp-content\/uploads\/2025\/05\/Sfondo-immagini-sito-web-20-1536x864.jpg 1536w, https:\/\/axevera.com\/wp-content\/uploads\/2025\/05\/Sfondo-immagini-sito-web-20.jpg 1920w\" sizes=\"auto, (max-width: 1024px) 100vw, 1024px\" \/><\/figure><\/div>\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h2 class=\"wp-block-heading\">What You\u2019ll Learn in This Article<\/h2>\n\n\n\n<ul class=\"wp-block-list\">\n<li>What are I\u010cO and DI\u010c?<\/li>\n\n\n\n<li>Key differences between I\u010cO and DI\u010c<\/li>\n\n\n\n<li>How to get them (for companies and freelancers)<\/li>\n\n\n\n<li>Where to find the tax numbers of Czech entities<\/li>\n\n\n\n<li>Practical tips for starting a business in the Czech Republic<\/li>\n<\/ul>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h2 class=\"wp-block-heading\">What Are I\u010cO and DI\u010c?<\/h2>\n\n\n\n<p><strong>\u25b6 I<\/strong><strong>\u010cO <\/strong><strong>\u2013 Identification Number<\/strong><\/p>\n\n\n\n<p><strong>I\u010cO<\/strong> (Identifika\u010dn\u00ed \u010d\u00edslo osoby) is an 8-digit identification number assigned to any entity conducting business activities in the Czech Republic. It applies to:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Legal entities (e.g., limited liability companies)<\/li>\n\n\n\n<li>Self-employed individuals (freelancers)<\/li>\n\n\n\n<li>Government units with economic activities<\/li>\n<\/ul>\n\n\n\n<p>\ud83d\udccc <strong>Format:<\/strong> 8-digit number<br>\ud83d\udccc <strong>Issued by:<\/strong> Trade Licensing Office or Commercial Court<br>\ud83d\udccc <strong>Purpose:<\/strong> General business identification<\/p>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<p><strong>\u25b6 DI<\/strong><strong>\u010c <\/strong><strong>\u2013 Tax Identification Number<\/strong><\/p>\n\n\n\n<p><strong>DI\u010c<\/strong> (Da\u0148ov\u00e9 identifika\u010dn\u00ed \u010d\u00edslo) is the tax identification number used in all communications with the Czech Tax Office and especially for VAT (DPH) purposes.<\/p>\n\n\n\n<p>\ud83d\udccc <strong>Format:<\/strong> &#8220;CZ&#8221; prefix + 8\u201310 digits<br>\ud83d\udccc <strong>Example:<\/strong> CZ12345678<br>\ud83d\udccc <strong>Issued by:<\/strong> Czech Tax Authority<br>\ud83d\udccc <strong>Note:<\/strong> Receiving a DI\u010c does <em>not<\/em> automatically make you a VAT payer.<\/p>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h2 class=\"wp-block-heading\">Key Differences Between I\u010cO and DI\u010c<\/h2>\n\n\n\n<figure class=\"wp-block-table\"><table class=\"has-fixed-layout\"><thead><tr><td><strong>Aspect<\/strong><\/td><td><strong>I\u010cO<\/strong><\/td><td><strong>DI\u010c<\/strong><\/td><\/tr><\/thead><tbody><tr><td><strong>Purpose<\/strong><\/td><td>Business registration and identification<\/td><td>Tax-related communication and obligations<\/td><\/tr><tr><td><strong>Format<\/strong><\/td><td>8 digits<\/td><td>CZ + 8\u201310 digits (usually CZ + I\u010cO)<\/td><\/tr><tr><td><strong>Issuer<\/strong><\/td><td>Trade Office \/ Company Register<\/td><td>Tax Office<\/td><\/tr><tr><td><strong>Required For<\/strong><\/td><td>All business entities<\/td><td>Only those subject to tax (income tax, VAT, etc.)<\/td><\/tr><tr><td><strong>Shown On Documents<\/strong><\/td><td>Contracts, invoices (except some professionals)<\/td><td>Invoices, tax documents (especially for VAT payers)<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h2 class=\"wp-block-heading\">How to Get I\u010cO and DI\u010c<\/h2>\n\n\n\n<p><strong>For Companies (e.g., s.r.o., a.s.)<\/strong><\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>I\u010cO<\/strong>: Issued upon registration in the Czech Commercial Register.<\/li>\n\n\n\n<li><strong>DI\u010c<\/strong>: Assigned by the Tax Office after income tax registration. VAT registration may follow if thresholds are exceeded or voluntarily requested.<\/li>\n<\/ul>\n\n\n\n<p><strong>For Freelancers (\u017eivnostn\u00edci)<\/strong><\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>I\u010cO<\/strong>: Obtained during trade license registration at the Trade Office.<\/li>\n\n\n\n<li><strong>DI\u010c<\/strong>:\n<ul class=\"wp-block-list\">\n<li>If not VAT registered: usually CZ + personal ID number<\/li>\n\n\n\n<li>If VAT registered: CZ + I\u010cO<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n\n\n\n<p>\u2139\ufe0f Regulated professions (like lawyers, doctors, accountants) receive their I\u010cO from the Czech Statistical Office.<\/p>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h2 class=\"wp-block-heading\">Where to Find and Verify I\u010cO and DI\u010c<\/h2>\n\n\n\n<p><strong>\ud83d\udee0 Online Tools:<\/strong><\/p>\n\n\n\n<ol start=\"1\" class=\"wp-block-list\">\n<li><strong>ARES<\/strong>: https:\/\/wwwinfo.mfcr.cz\/ares\/\n<ul class=\"wp-block-list\">\n<li>Czech government business registry<\/li>\n\n\n\n<li>Search by name or I\u010cO<\/li>\n\n\n\n<li>Displays VAT status and company data<\/li>\n<\/ul>\n<\/li>\n\n\n\n<li><strong>VAT Payer Register<\/strong>\n<ul class=\"wp-block-list\">\n<li>Shows if a company or freelancer is VAT-registered<\/li>\n\n\n\n<li>Accessible via ARES<\/li>\n<\/ul>\n<\/li>\n\n\n\n<li><strong>VIES (EU VAT Validator)<\/strong>: <a href=\"https:\/\/ec.europa.eu\/taxation_customs\/vies\/\">https:\/\/ec.europa.eu\/taxation_customs\/vies\/<\/a>\n<ul class=\"wp-block-list\">\n<li>Checks if a VAT number is valid and active within the EU<\/li>\n<\/ul>\n<\/li>\n<\/ol>\n\n\n\n<p><strong>Where You\u2019ll See These Numbers:<\/strong><\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Business websites<\/li>\n\n\n\n<li>Invoices and contracts<\/li>\n\n\n\n<li>Official government registries<\/li>\n\n\n\n<li>Public company profiles<\/li>\n<\/ul>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h2 class=\"wp-block-heading\">Important: DI\u010c \u2260 Automatic VAT Registration<\/h2>\n\n\n\n<p>Many businesses assume that having a DI\u010c means they are VAT-registered \u2014 <strong>this is incorrect<\/strong>.<\/p>\n\n\n\n<p>You receive a DI\u010c upon income tax registration, but you only become a <strong>VAT payer<\/strong> if:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Your annual turnover exceeds the Czech threshold (currently CZK 2 million)<\/li>\n\n\n\n<li>You apply for VAT voluntarily (e.g., for EU trade)<\/li>\n<\/ul>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h2 class=\"wp-block-heading\">Practical Tips for New Businesses in the Czech Republic<\/h2>\n\n\n\n<p><strong>Startup Checklist:<\/strong><\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Register your business properly (as a company or freelancer)<\/li>\n\n\n\n<li>Obtain your I\u010cO and register with the Tax Office for your DI\u010c<\/li>\n\n\n\n<li>Determine if and when you need to register for VAT<\/li>\n\n\n\n<li>Use ARES and VIES to verify business partners<\/li>\n\n\n\n<li>Display I\u010cO and DI\u010c correctly on your invoices and contracts<\/li>\n<\/ul>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h2 class=\"wp-block-heading\">Example Use Case: Invoicing a Czech Client<\/h2>\n\n\n\n<p>If you\u2019re a foreign contractor invoicing a Czech company:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Always ask for their <strong>I\u010cO and DI\u010c<\/strong><\/li>\n\n\n\n<li>Verify their <strong>VAT status<\/strong> via VIES<\/li>\n\n\n\n<li>If you\u2019re VAT registered in another EU country, apply <strong>reverse charge<\/strong> rules correctly<\/li>\n<\/ul>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h2 class=\"wp-block-heading\">Conclusion<\/h2>\n\n\n\n<p>Understanding the roles of <strong>I\u010cO<\/strong> and <strong>DI\u010c<\/strong> is critical for anyone operating within or doing business with the Czech Republic. These codes:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Define your official identity in the business and tax system<\/li>\n\n\n\n<li>Are necessary for legal compliance, invoicing, and tax filings<\/li>\n\n\n\n<li>Help protect your business by ensuring your partners are properly registered<\/li>\n<\/ul>\n\n\n\n<p>Whether you&#8217;re setting up a new company, contracting a Czech supplier, or entering the market as a freelancer, mastering these concepts will keep your operations smooth and compliant.<\/p>\n\n\n\n<p><\/p>\n\n\n\n<p>AI &#8211; generated image.<\/p>\n\n\n\n<p>Sources: <a href=\"https:\/\/www.jake-james.cz\/blog\/ic-dic-rozdil-a-jak-zjistit\">https:\/\/www.jake-james.cz\/blog\/ic-dic-rozdil-a-jak-zjistit<\/a><\/p>\n","protected":false},"excerpt":{"rendered":"<p>Understand the difference between I\u010cO and DI\u010c in the Czech Republic. A clear guide for businesses and freelancers working with Czech entities.<\/p>\n","protected":false},"author":5,"featured_media":13916,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[525],"tags":[],"yst_prominent_words":[],"class_list":{"0":"post-13919","1":"post","2":"type-post","3":"status-publish","4":"format-standard","5":"has-post-thumbnail","7":"category-en"},"_links":{"self":[{"href":"https:\/\/axevera.com\/en\/wp-json\/wp\/v2\/posts\/13919","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/axevera.com\/en\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/axevera.com\/en\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/axevera.com\/en\/wp-json\/wp\/v2\/users\/5"}],"replies":[{"embeddable":true,"href":"https:\/\/axevera.com\/en\/wp-json\/wp\/v2\/comments?post=13919"}],"version-history":[{"count":1,"href":"https:\/\/axevera.com\/en\/wp-json\/wp\/v2\/posts\/13919\/revisions"}],"predecessor-version":[{"id":13937,"href":"https:\/\/axevera.com\/en\/wp-json\/wp\/v2\/posts\/13919\/revisions\/13937"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/axevera.com\/en\/wp-json\/wp\/v2\/media\/13916"}],"wp:attachment":[{"href":"https:\/\/axevera.com\/en\/wp-json\/wp\/v2\/media?parent=13919"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/axevera.com\/en\/wp-json\/wp\/v2\/categories?post=13919"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/axevera.com\/en\/wp-json\/wp\/v2\/tags?post=13919"},{"taxonomy":"yst_prominent_words","embeddable":true,"href":"https:\/\/axevera.com\/en\/wp-json\/wp\/v2\/yst_prominent_words?post=13919"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}