{"id":999969903,"date":"2024-09-09T12:46:00","date_gmt":"2024-09-09T05:46:00","guid":{"rendered":"https:\/\/bizzi.vn\/?p=999969903"},"modified":"2026-06-09T13:50:44","modified_gmt":"2026-06-09T06:50:44","slug":"how-to-look-up-tax-code","status":"publish","type":"post","link":"https:\/\/bizzi.vn\/en\/how-to-look-up-tax-code\/","title":{"rendered":"What is a tax code? 10 ways to quickly look up personal and business tax codes"},"content":{"rendered":"<p class=\"ng-star-inserted\"><em><span class=\"ng-star-inserted\">In the context of the digital economy, understanding information and complying with tax laws is extremely important for both individuals and businesses. <strong>Tax Identification Number (MST)<\/strong> acts as an \u201cidentity card\u201d in the tax field, and knows <strong>How to look up tax code<\/strong> Quickly and accurately is a necessary skill. This not only helps to fulfill tax obligations but also lays the foundation for businesses to effectively manage costs and save time according to professional processes.<\/span><\/em><\/p>\n<p class=\"ng-star-inserted\"><em><span class=\"ng-star-inserted\">This article is from <strong><a href=\"https:\/\/bizzi.vn\/\">Bizzi<\/a><\/strong> will provide <strong>search guide<\/strong> comprehensive about <strong>How to look up tax code<\/strong> individuals and businesses, and suggests solutions to optimize financial management, in accordance with international standards.<\/span><\/em><\/p>\n<div id=\"ez-toc-container\" class=\"ez-toc-v2_0_80 counter-hierarchy ez-toc-counter ez-toc-grey ez-toc-container-direction\">\n<div class=\"ez-toc-title-container\">\n<p class=\"ez-toc-title\" style=\"cursor:inherit\">Index<\/p>\n<span class=\"ez-toc-title-toggle\"><a href=\"#\" class=\"ez-toc-pull-right ez-toc-btn ez-toc-btn-xs ez-toc-btn-default ez-toc-toggle\" aria-label=\"Toggle Table of Content\"><span class=\"ez-toc-js-icon-con\"><span class=\"\"><span class=\"eztoc-hide\" style=\"display:none;\">Toggle<\/span><span class=\"ez-toc-icon-toggle-span\"><svg style=\"fill: #999;color:#999\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\" class=\"list-377408\" width=\"20px\" height=\"20px\" viewbox=\"0 0 24 24\" fill=\"none\"><path d=\"M6 6H4v2h2V6zm14 0H8v2h12V6zM4 11h2v2H4v-2zm16 0H8v2h12v-2zM4 16h2v2H4v-2zm16 0H8v2h12v-2z\" fill=\"currentColor\"><\/path><\/svg><svg style=\"fill: #999;color:#999\" class=\"arrow-unsorted-368013\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\" width=\"10px\" height=\"10px\" viewbox=\"0 0 24 24\" version=\"1.2\" baseprofile=\"tiny\"><path d=\"M18.2 9.3l-6.2-6.3-6.2 6.3c-.2.2-.3.4-.3.7s.1.5.3.7c.2.2.4.3.7.3h11c.3 0 .5-.1.7-.3.2-.2.3-.5.3-.7s-.1-.5-.3-.7zM5.8 14.7l6.2 6.3 6.2-6.3c.2-.2.3-.5.3-.7s-.1-.5-.3-.7c-.2-.2-.4-.3-.7-.3h-11c-.3 0-.5.1-.7.3-.2.2-.3.5-.3.7s.1.5.3.7z\"\/><\/svg><\/span><\/span><\/span><\/a><\/span><\/div>\n<nav><ul class='ez-toc-list ez-toc-list-level-1' ><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-1\" href=\"https:\/\/bizzi.vn\/en\/how-to-look-up-tax-code\/#Ma_so_thue_MST_la_gi_va_tam_quan_trong\" >What is a tax code (MST) and why is it important?<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-2\" href=\"https:\/\/bizzi.vn\/en\/how-to-look-up-tax-code\/#Vi_sao_can_biet_cach_tra_cuu_ma_so_thue\" >Why do you need to know how to look up tax codes?<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-3\" href=\"https:\/\/bizzi.vn\/en\/how-to-look-up-tax-code\/#Huong_dan_3_cach_tra_cuu_ma_so_thue_ca_nhan_online_nhanh_chong\" >Instructions for 3 ways to quickly look up personal tax codes online<\/a><ul class='ez-toc-list-level-3' ><li class='ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-4\" href=\"https:\/\/bizzi.vn\/en\/how-to-look-up-tax-code\/#1_Cach_tra_cuu_ma_so_thue_ca_nhan_qua_Cong_thong_tin_dien_tu_Tong_cuc_Thue\" >1. How to look up personal tax code via the General Department of Taxation&#039;s electronic information portal<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-5\" href=\"https:\/\/bizzi.vn\/en\/how-to-look-up-tax-code\/#2_Cach_tra_cuu_ma_so_thue_ca_nhan_qua_trang_Thue_dien_tu_eTax\" >2. How to look up personal tax code via Electronic Tax (eTax) page<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-6\" href=\"https:\/\/bizzi.vn\/en\/how-to-look-up-tax-code\/#3_Cach_tra_cuu_ma_so_thue_ca_nhan_qua_ung_dung_eTax_Mobile\" >3. How to look up personal tax code via eTax Mobile application<\/a><\/li><\/ul><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-7\" href=\"https:\/\/bizzi.vn\/en\/how-to-look-up-tax-code\/#5_cach_tra_cuu_ma_so_thue_doanh_nghiep_pho_bien\" >5 common ways to look up business tax codes<\/a><ul class='ez-toc-list-level-3' ><li class='ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-8\" href=\"https:\/\/bizzi.vn\/en\/how-to-look-up-tax-code\/#1_Cach_tra_cuu_ma_so_thue_doanh_nghiep_tren_Cong_thong_tin_dien_tu_Tong_cuc_Thue\" >1. How to look up business tax codes on the General Department of Taxation&#039;s Electronic Information Portal<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-9\" href=\"https:\/\/bizzi.vn\/en\/how-to-look-up-tax-code\/#2_Cach_tra_cuu_ma_so_thue_tren_Cong_thong_tin_quoc_gia_ve_dang_ky_doanh_nghiep\" >2. How to look up tax codes on the National Business Registration Portal<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-10\" href=\"https:\/\/bizzi.vn\/en\/how-to-look-up-tax-code\/#3_Cach_tra_cuu_ma_so_thue_tren_trang_Masothuecom\" >3. How to look up tax codes on Masothue.com<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-11\" href=\"https:\/\/bizzi.vn\/en\/how-to-look-up-tax-code\/#4_Cach_tra_cuu_ma_so_thue_doanh_nghiep_tren_Giay_chung_nhan_dang_ky_doanh_nghiep\" >4. How to look up the business tax code on the Business Registration Certificate<\/a><\/li><\/ul><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-12\" href=\"https:\/\/bizzi.vn\/en\/how-to-look-up-tax-code\/#Nhung_luu_y_quan_trong_khi_thuc_hien_cach_tra_cuu_ma_so_thue\" >Important notes when looking up tax codes<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-13\" href=\"https:\/\/bizzi.vn\/en\/how-to-look-up-tax-code\/#Hieu_ro_hon_ve_trang_thai_va_cac_truong_hop_dac_biet_cua_MST\" >Better understanding of MST status and special cases<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-14\" href=\"https:\/\/bizzi.vn\/en\/how-to-look-up-tax-code\/#Quan_ly_Ma_so_thue_hieu_qua_cung_giai_phap_chuyen_nghiep_tu_Bizzi\" >Manage Tax Codes effectively with professional solutions from Bizzi<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-15\" href=\"https:\/\/bizzi.vn\/en\/how-to-look-up-tax-code\/#Ket_luan\" >Conclude<\/a><\/li><\/ul><\/nav><\/div>\n<h2><span class=\"ez-toc-section\" id=\"Ma_so_thue_MST_la_gi_va_tam_quan_trong\"><\/span>What is a tax code (MST) and why is it important?<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<blockquote>\n<p class=\"ng-star-inserted\"><span class=\"ng-star-inserted\">Tax identification number (MST) is a series of numbers, characters or letters. <strong>only<\/strong> issued by the competent Tax Authority (<strong>General Department of Taxation<\/strong>, directly under <strong>Ministry of Finance<\/strong>) for each <strong>Taxpayer<\/strong> (individual or organization, enterprise) when registering for tax in Vietnam. This is the basic identification purpose, helping to distinguish this taxpayer from other taxpayers in the tax management system and economic transactions.<\/span><\/p>\n<\/blockquote>\n<ul>\n<li class=\"ng-star-inserted\"><strong>Uniqueness:<\/strong> Each individual and legally operating business only owns one tax code. This feature ensures that there is no confusion in determining tax obligations and related transactions.<\/li>\n<li class=\"ng-star-inserted\"><strong>Legality:<\/strong> Registration and use of MST is <strong>obligatory<\/strong> according to the provisions of Vietnamese law. Tax code is the basis for the State to manage taxes and business activities, showing <strong>legality<\/strong> its.<\/li>\n<li class=\"ng-star-inserted\"><strong>Structure:<\/strong>\n<ul>\n<li>Personal Tax Code: Usually a 10-digit string.<\/li>\n<li>Business Tax Code: Usually available <strong>10 digit structure<\/strong>In addition, there is also a 13-digit tax code, often issued to dependent units such as branches, representative offices or business locations, showing the connection with the 10-digit tax code of the parent company.<\/li>\n<\/ul>\n<\/li>\n<li class=\"ng-star-inserted\"><strong>Associated with identifier:<\/strong> MST is associated with a specific individual or business entity. All registration information such as name, address, legal representative (for businesses), information <strong>Citizen identification card (CCCD)<\/strong> or <strong>Identity card (ID)<\/strong> (for individuals) are closely linked to this MST in the National Database and the system of the General Department of Taxation.<\/li>\n<\/ul>\n<h2 class=\"ng-star-inserted\"><span class=\"ez-toc-section\" id=\"Vi_sao_can_biet_cach_tra_cuu_ma_so_thue\"><\/span>Why you need to know <strong>How to look up tax code<\/strong>?<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p class=\"ng-star-inserted\">Understanding and knowing <strong>How to look up tax code<\/strong> of individuals or businesses brings many practical benefits, directly affecting legal compliance and financial activities:<\/p>\n<ul>\n<li class=\"ng-star-inserted\"><strong>Tax Compliance:<\/strong> MST is the key to fulfilling tax obligations such as<strong> <a href=\"https:\/\/bizzi.vn\/ke-khai-nop-thue-online-cho-ho-ca-nhan-kinh-doanh-san-tmdt\/\">tax declaration, tax payment for HKD<\/a><\/strong> (eg Value Added Tax \u2013 VAT, Corporate Income Tax \u2013 CIT) accurately and on time, avoiding unnecessary fines.<\/li>\n<li class=\"ng-star-inserted\"><strong>Transaction and Invoice Authentication:<\/strong> Tax code is mandatory information on VAT invoices (<strong><a href=\"https:\/\/bizzi.vn\/hoa-don-dien-tu\/\">Electronic invoice<\/a><\/strong>). Correctly recording the tax code of both the seller and the buyer ensures the validity of the invoice, is the basis for tax deduction and reasonable cost accounting, contributing to effective cost management.<\/li>\n<li class=\"ng-star-inserted\"><strong>Perform administrative procedures:<\/strong> Tax code is required for most administrative procedures related to individuals and businesses such as banking transactions, signing contracts, participating in bidding, applying for subsidiary business licenses, etc.<\/li>\n<li class=\"ng-star-inserted\"><strong>Transparency of operations:<\/strong> Using MST helps business activities and personal financial transactions become transparent, building credibility with partners, customers and state management agencies.<\/li>\n<\/ul>\n<p class=\"ng-star-inserted\">Misuse of MST or operation without MST can lead to serious legal and financial risks. Therefore, it is important to understand <strong>How to look up tax code<\/strong> and management <strong>tax information<\/strong> is extremely necessary.<\/p>\n<h2><span class=\"ez-toc-section\" id=\"Huong_dan_3_cach_tra_cuu_ma_so_thue_ca_nhan_online_nhanh_chong\"><\/span>Guide 3 <strong>How to look up tax code<\/strong> fast online personal<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p class=\"ng-star-inserted\">With the development of information technology, <strong>Look up personal tax code online<\/strong> has become extremely convenient. You only need a CCCD\/ID number and an internet-connected device to be able to do it. Below are the <strong>method<\/strong> popular:<\/p>\n<h3><span class=\"ez-toc-section\" id=\"1_Cach_tra_cuu_ma_so_thue_ca_nhan_qua_Cong_thong_tin_dien_tu_Tong_cuc_Thue\"><\/span>first. <strong>How to look up tax code<\/strong> individuals via the General Department of Taxation&#039;s Electronic Information Portal<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<ul>\n<li><strong>Step 1:<\/strong> Visit the official website of the General Department of Taxation at: <a href=\"http:\/\/tracuunnt.gdt.gov.vn\/tcnnt\/mstcn.jsp\" target=\"_blank\" rel=\"noopener nofollow\">http:\/\/tracuunnt.gdt.gov.vn\/tcnnt\/mstcn.jsp<\/a>. This is <strong>search channel<\/strong> orthodox<\/li>\n<li><strong>Step 2:<\/strong> In the \u201cInformation about personal income tax payer\u201d section, enter the number <strong>CCCD\/CMND<\/strong> (<strong>input data<\/strong>) in the box &quot;ID card number\/Citizen identification card&quot;.<\/li>\n<li><strong>Step 3:<\/strong> Enter the displayed captcha code exactly (case sensitive).<\/li>\n<li><strong>Step 4:<\/strong> Click the \u201cSearch\u201d button. The system will display <strong>result<\/strong> including: Tax code, Taxpayer&#039;s full name, Tax authority, Registered ID card\/CCCD number, Date of most recent information update.<\/li>\n<\/ul>\n<h3><span class=\"ez-toc-section\" id=\"2_Cach_tra_cuu_ma_so_thue_ca_nhan_qua_trang_Thue_dien_tu_eTax\"><\/span>2. <strong>How to look up tax code<\/strong> Individuals via the Electronic Tax (eTax) website<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<ul>\n<li><strong>Step 1:<\/strong> Visit the General Department of Taxation&#039;s e-Tax website at: <a href=\"https:\/\/thuedientu.gdt.gov.vn\/\" target=\"_blank\" rel=\"noopener nofollow\">https:\/\/thuedientu.gdt.gov.vn\/<\/a>.<\/li>\n<li><strong>Step 2:<\/strong> Select \u201cPERSONAL\u201d on the \u201cSYSTEM LOGIN\u201d bar.<\/li>\n<li><strong>Step 3:<\/strong> Click on \u201cLook up taxpayer information\u201d.<\/li>\n<li><strong>Step 4:<\/strong> Enter the CCCD number (12 digits) or ID card number (9 digits) in the &quot;Document number&quot; box, then enter the verification code (captcha).<\/li>\n<li><strong>Step 5:<\/strong> Click the \u201cSearch\u201d button. The system will display the tax code information and related details.<\/li>\n<\/ul>\n<h3><span class=\"ez-toc-section\" id=\"3_Cach_tra_cuu_ma_so_thue_ca_nhan_qua_ung_dung_eTax_Mobile\"><\/span>3. <strong>How to look up tax code<\/strong> Individual via eTax Mobile application<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<ul>\n<li><strong>Step 1:<\/strong> Download and install the \u201ceTax Mobile\u201d application from CH Play (Android) or App Store (iPhone) released by the General Department of Taxation.<\/li>\n<li><strong>Step 2:<\/strong> Open the application, at the login screen, select \u201cUtilities\u201d (or maybe \u201cLook up NNT information\u201d or \u201cForgot account (tax code)?\u201d).<\/li>\n<li><strong>Step 3:<\/strong> Select the function to look up taxpayer information by identification number. Enter the CCCD\/CMND number and verification code (if any).<\/li>\n<li><strong>Step 4:<\/strong> Click \u201cSearch\u201d. The returned information includes the tax code and the taxpayer&#039;s full name.<\/li>\n<\/ul>\n<h2><span class=\"ez-toc-section\" id=\"5_cach_tra_cuu_ma_so_thue_doanh_nghiep_pho_bien\"><\/span>5 <strong>How to look up tax code<\/strong> popular business<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p class=\"ng-star-inserted\">Get it <strong>How to look up tax code<\/strong> Quick Business helps you verify partner information, check invoice validity, or simply find your own company&#039;s tax code. Here are some popular and reliable methods:<\/p>\n<h3><span class=\"ez-toc-section\" id=\"1_Cach_tra_cuu_ma_so_thue_doanh_nghiep_tren_Cong_thong_tin_dien_tu_Tong_cuc_Thue\"><\/span>first. <strong>How to look up tax code<\/strong> Enterprises on the General Department of Taxation&#039;s Electronic Information Portal<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>This is the most official and reliable channel for looking up business information.<\/p>\n<p><b>Steps to follow:<\/b><\/p>\n<ul>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><strong>Step 1: Visit the website:<\/strong> Open your web browser and enter the address:<a href=\"https:\/\/tracuunnt.gdt.gov.vn\/tcnnt\/mstdn.jsp\" target=\"_blank\" rel=\"noopener nofollow\"> https:\/\/tracuunnt.gdt.gov.vn\/tcnnt\/mstdn.jsp<\/a><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><strong>Step 2: Enter the information you want to find:<\/strong> On the main interface, you will see boxes to enter information. You can enter one of the following information (no need to fill in all):\n<ul>\n<li style=\"font-weight: 400;\" aria-level=\"2\">Tax ID: If you already know your tax ID.<\/li>\n<li style=\"font-weight: 400;\" aria-level=\"2\">Name of tax paying organization\/individual: Enter the full name or part of the name of the business.<\/li>\n<li style=\"font-weight: 400;\" aria-level=\"2\">Business headquarters address.<\/li>\n<li style=\"font-weight: 400;\" aria-level=\"2\">Representative&#039;s ID card number\/Citizen identification card number.<\/li>\n<\/ul>\n<\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><strong>Step 3: Enter the Verification Code (Captcha) and click \u201cSearch\u201d:<\/strong> After entering the information, click the \u201cSearch\u201d button.<\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><strong>Step 4: View results:<\/strong> Search results will be displayed in the table. Click on the company name to view detailed information such as: full name, address, business lines, legal representative, tax code issuance date, tax authority.<\/li>\n<\/ul>\n<figure id=\"attachment_999973080\" aria-describedby=\"caption-attachment-999973080\" style=\"width: 1200px\" class=\"wp-caption aligncenter\"><img fetchpriority=\"high\" decoding=\"async\" class=\"wp-image-999973080\" title=\"Website of Vietnam General Department of Taxation\" src=\"https:\/\/bizzi.vn\/wp-content\/uploads\/2024\/09\/cach-tra-cuu-ma-so-thue-doanh-nghiep-1.jpg\" alt=\"Website of Vietnam General Department of Taxation\" width=\"1200\" height=\"800\" srcset=\"https:\/\/bizzi.vn\/wp-content\/uploads\/2024\/09\/cach-tra-cuu-ma-so-thue-doanh-nghiep-1.jpg 800w, https:\/\/bizzi.vn\/wp-content\/uploads\/2024\/09\/cach-tra-cuu-ma-so-thue-doanh-nghiep-1-300x200.jpg 300w, https:\/\/bizzi.vn\/wp-content\/uploads\/2024\/09\/cach-tra-cuu-ma-so-thue-doanh-nghiep-1-768x512.jpg 768w, https:\/\/bizzi.vn\/wp-content\/uploads\/2024\/09\/cach-tra-cuu-ma-so-thue-doanh-nghiep-1-18x12.jpg 18w\" sizes=\"(max-width: 1200px) 100vw, 1200px\" \/><figcaption id=\"caption-attachment-999973080\" class=\"wp-caption-text\">Website of Vietnam General Department of Taxation<\/figcaption><\/figure>\n<h3><span class=\"ez-toc-section\" id=\"2_Cach_tra_cuu_ma_so_thue_tren_Cong_thong_tin_quoc_gia_ve_dang_ky_doanh_nghiep\"><\/span>2. <strong>How to look up tax code<\/strong> on the National Business Registration Portal<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>This portal provides business registration information, including tax identification numbers.<\/p>\n<p><b>Detailed instructions:<\/b><\/p>\n<ul>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><b>Step 1: Visit the website:<\/b> Open your web browser and enter the address:<a href=\"https:\/\/dangkykinhdoanh.gov.vn\/\" target=\"_blank\" rel=\"noopener nofollow\"> https:\/\/dangkykinhdoanh.gov.vn\/<\/a><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><b>Step 2: Enter search information:<\/b> On the main interface of the website, you will see a search box. Enter the business name or business registration number (if any) in this box.<\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><b>Step 3: View results:<\/b> The system will automatically suggest suitable businesses. Select the business you want to find to see detailed information, including tax code, business name, legal type, date of establishment, representative, head office address, and more.<\/li>\n<\/ul>\n<figure id=\"attachment_999973079\" aria-describedby=\"caption-attachment-999973079\" style=\"width: 1200px\" class=\"wp-caption aligncenter\"><img decoding=\"async\" class=\"wp-image-999973079\" title=\"National portal on business registration\" src=\"https:\/\/bizzi.vn\/wp-content\/uploads\/2024\/09\/Tra-ma-so-thue-tren-Cong-thong-tin-quoc-gia-ve-dang-ky-doanh-nghiep-1.jpg\" alt=\"National portal on business registration\" width=\"1200\" height=\"744\" srcset=\"https:\/\/bizzi.vn\/wp-content\/uploads\/2024\/09\/Tra-ma-so-thue-tren-Cong-thong-tin-quoc-gia-ve-dang-ky-doanh-nghiep-1.jpg 800w, https:\/\/bizzi.vn\/wp-content\/uploads\/2024\/09\/Tra-ma-so-thue-tren-Cong-thong-tin-quoc-gia-ve-dang-ky-doanh-nghiep-1-300x186.jpg 300w, https:\/\/bizzi.vn\/wp-content\/uploads\/2024\/09\/Tra-ma-so-thue-tren-Cong-thong-tin-quoc-gia-ve-dang-ky-doanh-nghiep-1-768x476.jpg 768w, https:\/\/bizzi.vn\/wp-content\/uploads\/2024\/09\/Tra-ma-so-thue-tren-Cong-thong-tin-quoc-gia-ve-dang-ky-doanh-nghiep-1-18x12.jpg 18w\" sizes=\"(max-width: 1200px) 100vw, 1200px\" \/><figcaption id=\"caption-attachment-999973079\" class=\"wp-caption-text\">National portal on business registration<\/figcaption><\/figure>\n<h3><span class=\"ez-toc-section\" id=\"3_Cach_tra_cuu_ma_so_thue_tren_trang_Masothuecom\"><\/span>3. <strong>How to look up tax code<\/strong> on Masothue.com<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>Masothue.com is a third-party website that aggregates tax code information. Although it is not an official channel, it can be useful for quick lookups.<\/p>\n<figure id=\"attachment_999973081\" aria-describedby=\"caption-attachment-999973081\" style=\"width: 1200px\" class=\"wp-caption aligncenter\"><img decoding=\"async\" class=\"wp-image-999973081 size-full\" title=\"Tool to support looking up business tax codes and personal tax codes\" src=\"https:\/\/bizzi.vn\/wp-content\/uploads\/2024\/09\/Tra-cuu-ma-so-thue-cong-ty-tren-trang-Tra-cuu-Ma-so-thue-1.jpg\" alt=\"Tool to support looking up business tax codes and personal tax codes\" width=\"1200\" height=\"630\" srcset=\"https:\/\/bizzi.vn\/wp-content\/uploads\/2024\/09\/Tra-cuu-ma-so-thue-cong-ty-tren-trang-Tra-cuu-Ma-so-thue-1.jpg 1200w, https:\/\/bizzi.vn\/wp-content\/uploads\/2024\/09\/Tra-cuu-ma-so-thue-cong-ty-tren-trang-Tra-cuu-Ma-so-thue-1-300x158.jpg 300w, https:\/\/bizzi.vn\/wp-content\/uploads\/2024\/09\/Tra-cuu-ma-so-thue-cong-ty-tren-trang-Tra-cuu-Ma-so-thue-1-1024x538.jpg 1024w, https:\/\/bizzi.vn\/wp-content\/uploads\/2024\/09\/Tra-cuu-ma-so-thue-cong-ty-tren-trang-Tra-cuu-Ma-so-thue-1-768x403.jpg 768w, https:\/\/bizzi.vn\/wp-content\/uploads\/2024\/09\/Tra-cuu-ma-so-thue-cong-ty-tren-trang-Tra-cuu-Ma-so-thue-1-18x9.jpg 18w\" sizes=\"(max-width: 1200px) 100vw, 1200px\" \/><figcaption id=\"caption-attachment-999973081\" class=\"wp-caption-text\">Tool to support looking up business tax codes and personal tax codes<\/figcaption><\/figure>\n<p><b>Steps to follow:<\/b><\/p>\n<ul>\n<li><b>Step 1: Visit the website:<\/b> Open your web browser and enter the address<a href=\"https:\/\/masothue.com\/\" target=\"_blank\" rel=\"noopener nofollow\"> https:\/\/masothue.com\/<\/a> into the address bar.<\/li>\n<li><b>Step 2: Enter the information you want to find:<\/b> On the main interface of the website, you will see a search box. Enter the business name, representative name, or representative&#039;s ID card\/CCCD number.<\/li>\n<li><b>Step 3: Get results:<\/b> After entering the information, press Enter or the search button. The system will display a list of suitable businesses. Please check carefully to find the information you need.<\/li>\n<\/ul>\n<p><b>Note:<\/b><\/p>\n<ul>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><b>Accuracy of results:<\/b> Always prioritize cross-checking information with official sources from the General Department of Taxation or the National Business Registration Portal.<\/li>\n<\/ul>\n<h3><span class=\"ez-toc-section\" id=\"4_Cach_tra_cuu_ma_so_thue_doanh_nghiep_tren_Giay_chung_nhan_dang_ky_doanh_nghiep\"><\/span>4. <strong>How to look up tax code<\/strong> Business on the Business Registration Certificate<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>The simplest and most direct way is if you have this document available. A unique tax code is issued to each business when registering to establish a company and is clearly stated on the <b>Certificate of Business Registration<\/b>.<\/p>\n<figure id=\"attachment_999973078\" aria-describedby=\"caption-attachment-999973078\" style=\"width: 1200px\" class=\"wp-caption aligncenter\"><img loading=\"lazy\" decoding=\"async\" class=\"wp-image-999973078\" title=\"Certificate of Business Registration\" src=\"https:\/\/bizzi.vn\/wp-content\/uploads\/2024\/09\/Tra-cuu-ma-so-thue-doanh-nghiep-tren-giay-chung-nhan-dang-ky-doanh-nghiep-1.jpg\" alt=\"Certificate of Business Registration\" width=\"1200\" height=\"858\" srcset=\"https:\/\/bizzi.vn\/wp-content\/uploads\/2024\/09\/Tra-cuu-ma-so-thue-doanh-nghiep-tren-giay-chung-nhan-dang-ky-doanh-nghiep-1.jpg 800w, https:\/\/bizzi.vn\/wp-content\/uploads\/2024\/09\/Tra-cuu-ma-so-thue-doanh-nghiep-tren-giay-chung-nhan-dang-ky-doanh-nghiep-1-300x215.jpg 300w, https:\/\/bizzi.vn\/wp-content\/uploads\/2024\/09\/Tra-cuu-ma-so-thue-doanh-nghiep-tren-giay-chung-nhan-dang-ky-doanh-nghiep-1-768x549.jpg 768w, https:\/\/bizzi.vn\/wp-content\/uploads\/2024\/09\/Tra-cuu-ma-so-thue-doanh-nghiep-tren-giay-chung-nhan-dang-ky-doanh-nghiep-1-18x12.jpg 18w\" sizes=\"(max-width: 1200px) 100vw, 1200px\" \/><figcaption id=\"caption-attachment-999973078\" class=\"wp-caption-text\">Certificate of Business Registration<\/figcaption><\/figure>\n<p>In addition to the above methods, you can now also <strong><a href=\"https:\/\/bizzi.vn\/cach-tra-cuu-ma-so-thue-doanh-nghiep-don-gian-tren-zalo\/\">Look up business tax code using Zalo application<\/a><\/strong> very convenient. With Bizzi&#039;s Get Invoice mini app, you can save a lot of time and effort, no need to look up in many places anymore.<\/p>\n<h2 class=\"ng-star-inserted\"><span class=\"ez-toc-section\" id=\"Nhung_luu_y_quan_trong_khi_thuc_hien_cach_tra_cuu_ma_so_thue\"><\/span>Important notes when performing <strong>How to look up tax code<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h2>\n<ul>\n<li>Always prioritize using the <strong>search channel<\/strong> official of the General Department of Taxation or the National Business Registration Portal to ensure <strong>accuracy<\/strong> and <strong>security<\/strong> information.<\/li>\n<li>Prepare fully and enter the correct information. <strong>input data<\/strong> necessary information such as CCCD\/ID number, full name of the business, or other identifying information.<\/li>\n<li>When searching online portals, enter the correct Captcha code for the system to process your request.<\/li>\n<li>If you cannot find the MST, please check the information you entered. If the information is correct but you still cannot find it, the MST may not have been issued, has been revoked, or there is a system error. In this case, you should contact the tax authority directly for assistance.<\/li>\n<\/ul>\n<h2 class=\"ng-star-inserted\"><span class=\"ez-toc-section\" id=\"Hieu_ro_hon_ve_trang_thai_va_cac_truong_hop_dac_biet_cua_MST\"><\/span>Learn more about <strong>status<\/strong> and special cases of MST<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p class=\"ng-star-inserted\">In addition to knowing <strong>How to look up tax code<\/strong> Basically, understanding the MST status and special cases is also very important, especially for businesses:<\/p>\n<ul>\n<li class=\"ng-star-inserted\"><strong>Active status:<\/strong> The business is operating normally as registered.<\/li>\n<li class=\"ng-star-inserted\"><strong>Suspended Status:<\/strong> The tax code still exists but the business has registered to temporarily suspend business operations for a period of time.<\/li>\n<li class=\"ng-star-inserted\"><strong>Dissolved\/Inactive:<\/strong> The tax code is no longer valid because the enterprise has completed dissolution procedures or had its license revoked.<\/li>\n<li class=\"ng-star-inserted\"><strong>13-digit tax code:<\/strong> For dependent units (branches, representative offices, business locations), helps manage taxes for each specific unit.<\/li>\n<li class=\"ng-star-inserted\"><strong>Information change history:<\/strong> Changes in address, representative, charter capital, etc. are all recorded and updated in the national database, linked to the tax code. Some official portals may allow lookups. <strong>information change history<\/strong> This.<\/li>\n<\/ul>\n<h2 class=\"ng-star-inserted\"><span class=\"ez-toc-section\" id=\"Quan_ly_Ma_so_thue_hieu_qua_cung_giai_phap_chuyen_nghiep_tu_Bizzi\"><\/span>Manage Tax Codes effectively with professional solutions from Bizzi<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p class=\"ng-star-inserted\">Mastering <strong>How to look up tax code<\/strong> and accurate management of MST information is an indispensable part of modern business administration, especially in cost management. Ensuring that MST is always correct on all invoices and documents helps businesses:<\/p>\n<ul>\n<li class=\"ng-star-inserted\"><strong>Optimize tax deductions:<\/strong> A valid invoice with full tax code information is the basis for input VAT deduction.<\/li>\n<li class=\"ng-star-inserted\"><strong>Minimize legal risks:<\/strong> Avoid penalties for tax information errors.<\/li>\n<li class=\"ng-star-inserted\"><strong>Improve process efficiency:<\/strong> Automating the checking and comparison of tax code information on invoices helps save time and resources.<\/li>\n<\/ul>\n<p class=\"ng-star-inserted\">Solutions <strong><a href=\"https:\/\/bizzi.vn\/quan-ly-chi-phi\/\">comprehensive cost management<\/a><\/strong> like of <strong>Bizzi<\/strong> can help businesses automate the process of processing input invoices, including checking the validity of invoices and tax code information. This helps ensure that data is always accurate, complies with regulations and optimizes financial and accounting processes according to professional standards, helping businesses save time and operate more efficiently.<\/p>\n<h2 class=\"ng-star-inserted\"><span class=\"ez-toc-section\" id=\"Ket_luan\"><\/span>Conclude<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p class=\"ng-star-inserted\">Mastering the <strong>How to look up tax code<\/strong> personal and business not only helps you fulfill your legal obligations but is also an important skill in financial management and business operations. From searching on official portals of <strong>General Department of Taxation<\/strong> to direct checking on legal documents, each method has its own advantages, meeting the diverse needs of users.<\/p>\n<p>Monitor <strong>Bizzi <\/strong>To quickly receive the latest information:<\/p>\n<ul>\n<li aria-level=\"1\">Facebook: <a href=\"https:\/\/www.facebook.com\/bizzivietnam\" target=\"_blank\" rel=\"noopener nofollow\">https:\/\/www.facebook.com\/bizzivietnam<\/a><\/li>\n<li aria-level=\"1\">Linkedin: <a href=\"https:\/\/www.linkedin.com\/company\/bizzi-vietnam\/\" target=\"_blank\" rel=\"noopener nofollow\">https:\/\/www.linkedin.com\/company\/bizzi-vietnam\/<\/a><\/li>\n<li aria-level=\"1\">Youtube: <a href=\"https:\/\/www.youtube.com\/@bizzivietnam\" target=\"_blank\" rel=\"noopener nofollow\">https:\/\/www.youtube.com\/@bizzivietnam<\/a><\/li>\n<\/ul>\n<p><strong>See more:<\/strong><\/p>\n<ul>\n<li><strong><a href=\"https:\/\/bizzi.vn\/hoa-don-dien-tu-la-gi\/\">What is an electronic invoice?<\/a><\/strong><\/li>\n<li><strong><a href=\"https:\/\/bizzi.vn\/quan-tri-doanh-nghiep-vua-va-nho\/\">Effective management of small and medium-sized business costs<\/a><\/strong><\/li>\n<\/ul>","protected":false},"excerpt":{"rendered":"<p>In the context of the digital economy, understanding information and complying with tax laws is extremely important for both\u2026<\/p>","protected":false},"author":37,"featured_media":999973082,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"content-type":"","inline_featured_image":false,"footnotes":""},"categories":[263],"tags":[],"class_list":["post-999969903","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-kien-thuc"],"acf":[],"_links":{"self":[{"href":"https:\/\/bizzi.vn\/en\/wp-json\/wp\/v2\/posts\/999969903","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/bizzi.vn\/en\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/bizzi.vn\/en\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/bizzi.vn\/en\/wp-json\/wp\/v2\/users\/37"}],"replies":[{"embeddable":true,"href":"https:\/\/bizzi.vn\/en\/wp-json\/wp\/v2\/comments?post=999969903"}],"version-history":[{"count":6,"href":"https:\/\/bizzi.vn\/en\/wp-json\/wp\/v2\/posts\/999969903\/revisions"}],"predecessor-version":[{"id":999975593,"href":"https:\/\/bizzi.vn\/en\/wp-json\/wp\/v2\/posts\/999969903\/revisions\/999975593"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/bizzi.vn\/en\/wp-json\/wp\/v2\/media\/999973082"}],"wp:attachment":[{"href":"https:\/\/bizzi.vn\/en\/wp-json\/wp\/v2\/media?parent=999969903"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/bizzi.vn\/en\/wp-json\/wp\/v2\/categories?post=999969903"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/bizzi.vn\/en\/wp-json\/wp\/v2\/tags?post=999969903"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}