{"id":999975460,"date":"2025-06-10T19:54:09","date_gmt":"2025-06-10T12:54:09","guid":{"rendered":"https:\/\/bizzi.vn\/?p=999975460"},"modified":"2026-06-09T13:49:58","modified_gmt":"2026-06-09T06:49:58","slug":"what-is-invoice-code","status":"publish","type":"post","link":"https:\/\/bizzi.vn\/en\/what-is-invoice-code\/","title":{"rendered":"What is Invoice Receipt Code? Complete Guide to Electronic Invoice Lookup Code"},"content":{"rendered":"<p><span style=\"font-weight: 400;\">In the digital age, electronic invoices are becoming increasingly popular and are an effective financial management tool for businesses. However, many business owners and accountants are still confused about the concept. <\/span><b>What is the invoice code?<\/b><span style=\"font-weight: 400;\"> and how to use this code to look up invoice information accurately and quickly. This article by Bizzi will provide you with all the necessary knowledge about invoice receipt codes, helping you understand the role and <\/span><a href=\"https:\/\/bizzi.vn\/cach-tra-cuu-hoa-don-dien-tu\/\"><span style=\"font-weight: 400;\">How to look up electronic invoices<\/span><\/a><span style=\"font-weight: 400;\"> regulations, thereby ensuring more effective cost management and control.<\/span><\/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\/what-is-invoice-code\/#1_Ma_nhan_hoa_don_la_gi\" >1. What is the invoice code?<\/a><ul class='ez-toc-list-level-3' ><li class='ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-2\" href=\"https:\/\/bizzi.vn\/en\/what-is-invoice-code\/#11_Dinh_nghia_va_vai_tro\" >1.1. Definition and role<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-3\" href=\"https:\/\/bizzi.vn\/en\/what-is-invoice-code\/#12_Phan_loai_ma_nhan_hoa_don_pho_bien\" >1.2. Classification of common invoice codes<\/a><\/li><\/ul><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-4\" href=\"https:\/\/bizzi.vn\/en\/what-is-invoice-code\/#2_Tai_sao_ma_nhan_hoa_don_lai_quan_trong_doi_voi_doanh_nghiep\" >2. Why is the invoice receipt code important for businesses?<\/a><ul class='ez-toc-list-level-3' ><li class='ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-5\" href=\"https:\/\/bizzi.vn\/en\/what-is-invoice-code\/#21_Xac_minh_tinh_hop_le_va_giam_thieu_rui_ro\" >2.1. Verify validity and minimize risk<\/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\/what-is-invoice-code\/#22_Ho_tro_tra_cuu_va_quan_ly_hoa_don_hieu_qua\" >2.2. Support for effective invoice lookup and management<\/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\/what-is-invoice-code\/#3_Huong_dan_cach_tim_ma_nhan_hoa_don_va_tra_cuu_hoa_don_dien_tu\" >3. Instructions on how to find the invoice code and look up electronic invoices<\/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\/what-is-invoice-code\/#31_Cach_tim_ma_nhan_hoa_don\" >3.1. How to find invoice code<\/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\/what-is-invoice-code\/#32_Cac_phuong_thuc_tra_cuu_hoa_don_dien_tu_pho_bien\" >3.2. Popular methods of looking up electronic invoices<\/a><ul class='ez-toc-list-level-4' ><li class='ez-toc-heading-level-4'><a class=\"ez-toc-link ez-toc-heading-10\" href=\"https:\/\/bizzi.vn\/en\/what-is-invoice-code\/#Tra_cuu_tren_Cong_thong_tin_Tong_cuc_Thue\" >Search on the General Department of Taxation Portal<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-4'><a class=\"ez-toc-link ez-toc-heading-11\" href=\"https:\/\/bizzi.vn\/en\/what-is-invoice-code\/#Tra_cuu_qua_phan_mem_hoac_website_cua_nha_cung_cap_dich_vu_hoa_don_dien_tu\" >Look up via software or website of electronic invoice service provider<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-4'><a class=\"ez-toc-link ez-toc-heading-12\" href=\"https:\/\/bizzi.vn\/en\/what-is-invoice-code\/#Tra_cuu_bang_ma_QR\" >Search by QR code<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-4'><a class=\"ez-toc-link ez-toc-heading-13\" href=\"https:\/\/bizzi.vn\/en\/what-is-invoice-code\/#Tra_cuu_qua_ung_dung_di_dong_chinh_thuc_eTax_Mobile\" >Look up via the official mobile application eTax Mobile<\/a><\/li><\/ul><\/li><\/ul><\/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\/what-is-invoice-code\/#4_Xu_ly_khi_khong_tim_thay_ma_nhan_hoa_don_hoac_hoa_don_khong_hop_le\" >4. Handling when invoice code is not found or invoice is invalid<\/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\/what-is-invoice-code\/#5_Quan_ly_ma_nhan_hoa_don_hieu_qua_trong_doanh_nghiep\" >5. Effectively manage invoice codes in the business<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-16\" href=\"https:\/\/bizzi.vn\/en\/what-is-invoice-code\/#Ket_luan\" >Conclude<\/a><\/li><\/ul><\/nav><\/div>\n<h2><span class=\"ez-toc-section\" id=\"1_Ma_nhan_hoa_don_la_gi\"><\/span><b>1. What is the invoice code?<\/b><span class=\"ez-toc-section-end\"><\/span><\/h2>\n<h3><span class=\"ez-toc-section\" id=\"11_Dinh_nghia_va_vai_tro\"><\/span><b>1.1. Definition and role<\/b><span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p><span style=\"font-weight: 400;\">Invoice receipt code (also known as electronic invoice lookup code) is a special and unique string of characters assigned to each electronic invoice. This code is usually automatically generated by <\/span><a href=\"https:\/\/bizzi.vn\/phan-mem-xu-ly-hoa-don-tu-dong-dau-tien-tai-viet-nam\/\"><span style=\"font-weight: 400;\">electronic invoice software<\/span><\/a><span style=\"font-weight: 400;\"> provided by the supplier or issued by the tax authority.<\/span><\/p>\n<p><span style=\"font-weight: 400;\">The important role of the invoice code is as an \u201cidentification card\u201d for the invoice, helping to authenticate information, check validity and ensure that the invoice complies with current legal regulations. Using the invoice code helps businesses and tax authorities easily manage, look up and prevent counterfeit invoices, ensuring transparency and accuracy in business transactions.<\/span><\/p>\n<h3><span class=\"ez-toc-section\" id=\"12_Phan_loai_ma_nhan_hoa_don_pho_bien\"><\/span><b>1.2. Classification of common invoice codes<\/b><span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p><span style=\"font-weight: 400;\">Here are some common types of invoice codes:<\/span><\/p>\n<ul>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><b>Code issued by tax authority:<\/b><span style=\"font-weight: 400;\"> This is the most popular type of invoice code today, often applied to most small and medium enterprises. This code is issued directly by the tax authority and ensures the legality as well as convenience in managing electronic invoices.<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><b>Autogenerated code:<\/b><span style=\"font-weight: 400;\"> Some large enterprises that meet the conditions prescribed by the General Department of Taxation can create their own invoice codes. However, these codes must still comply with the standards and regulations issued by the General Department of Taxation to ensure legality and avoid errors in management.<\/span><\/li>\n<\/ul>\n<p><img fetchpriority=\"high\" decoding=\"async\" class=\"alignnone size-full wp-image-999975468\" src=\"https:\/\/bizzi.vn\/wp-content\/uploads\/2025\/06\/01-ma-nhan-hoa-don-la-gi.jpg\" alt=\"\" width=\"1920\" height=\"1080\" title=\"\" srcset=\"https:\/\/bizzi.vn\/wp-content\/uploads\/2025\/06\/01-ma-nhan-hoa-don-la-gi.jpg 1920w, https:\/\/bizzi.vn\/wp-content\/uploads\/2025\/06\/01-ma-nhan-hoa-don-la-gi-300x169.jpg 300w, https:\/\/bizzi.vn\/wp-content\/uploads\/2025\/06\/01-ma-nhan-hoa-don-la-gi-1024x576.jpg 1024w, https:\/\/bizzi.vn\/wp-content\/uploads\/2025\/06\/01-ma-nhan-hoa-don-la-gi-768x432.jpg 768w, https:\/\/bizzi.vn\/wp-content\/uploads\/2025\/06\/01-ma-nhan-hoa-don-la-gi-1536x864.jpg 1536w, https:\/\/bizzi.vn\/wp-content\/uploads\/2025\/06\/01-ma-nhan-hoa-don-la-gi-18x10.jpg 18w\" sizes=\"(max-width: 1920px) 100vw, 1920px\" \/><\/p>\n<h2><span class=\"ez-toc-section\" id=\"2_Tai_sao_ma_nhan_hoa_don_lai_quan_trong_doi_voi_doanh_nghiep\"><\/span><b>2. Why is the invoice receipt code important for businesses?<\/b><span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p><span style=\"font-weight: 400;\">Invoice receipt code is an indispensable element in electronic invoice management today. Understanding clearly <\/span><b>What is the invoice code?<\/b><span style=\"font-weight: 400;\"> and its role helps businesses ensure transparency and accuracy in financial transactions, while optimizing invoice management processes, avoiding legal and financial risks.<\/span><\/p>\n<h3><span class=\"ez-toc-section\" id=\"21_Xac_minh_tinh_hop_le_va_giam_thieu_rui_ro\"><\/span><b>2.1. Verify validity and minimize risk<\/b><span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p><span style=\"font-weight: 400;\">The invoice receipt code is the most important tool to check whether the invoice is a genuine invoice issued by the tax authority or not.<\/span><\/p>\n<ul>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">This code helps businesses easily verify the validity of invoices, preventing confusion, errors, fraud or counterfeit invoices.<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">This ensures that financial transactions are carried out accurately and transparently, minimizing the risk of penalties or disputes.<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><b>Bizzi&#039;s platform provides the \u201cE-Invoice Authentication\u201d feature<\/b><span style=\"font-weight: 400;\"> helps businesses quickly and accurately check the validity of invoices in accordance with current accounting regulations. At the same time, Bizzi also has the function of &quot;Risk invoice warning&quot;, helping to detect early signs of invalid or counterfeit invoices from suppliers, protecting businesses from unnecessary losses.<\/span><\/li>\n<\/ul>\n<h3><span class=\"ez-toc-section\" id=\"22_Ho_tro_tra_cuu_va_quan_ly_hoa_don_hieu_qua\"><\/span><b>2.2. Support for effective invoice lookup and management<\/b><span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p><span style=\"font-weight: 400;\">Thanks to the invoice code, businesses and accountants can easily look up detailed information related to the invoice such as seller name, buyer name, item, amount, VAT, etc.<\/span><\/p>\n<ul>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Invoice recognition codes help invoice management become more scientific and systematic, saving significant time, effort and cost compared to traditional paper invoice management.<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Quick information lookup helps business owners and accountants easily reconcile, check, store and report accurate financial information.<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><b>Bizzi automates the entire revenue, expenditure and cost management process. <\/b><span style=\"font-weight: 400;\">RPA and AI technology integrated into Bizzi Bot helps automatically process input invoices, check and reconcile invoices quickly. Bizzi&#039;s system also automatically records and stores invoices for a minimum period of 10 years, optimizing the invoice management process, helping businesses focus on business development without worrying about managing invoice records.<\/span><\/li>\n<\/ul>\n<p><img decoding=\"async\" class=\"alignnone size-full wp-image-999975463\" src=\"https:\/\/bizzi.vn\/wp-content\/uploads\/2025\/06\/02-ma-nhan-hoa-don-quan-trong.jpg\" alt=\"\" width=\"1920\" height=\"1080\" title=\"\" srcset=\"https:\/\/bizzi.vn\/wp-content\/uploads\/2025\/06\/02-ma-nhan-hoa-don-quan-trong.jpg 1920w, https:\/\/bizzi.vn\/wp-content\/uploads\/2025\/06\/02-ma-nhan-hoa-don-quan-trong-300x169.jpg 300w, https:\/\/bizzi.vn\/wp-content\/uploads\/2025\/06\/02-ma-nhan-hoa-don-quan-trong-1024x576.jpg 1024w, https:\/\/bizzi.vn\/wp-content\/uploads\/2025\/06\/02-ma-nhan-hoa-don-quan-trong-768x432.jpg 768w, https:\/\/bizzi.vn\/wp-content\/uploads\/2025\/06\/02-ma-nhan-hoa-don-quan-trong-1536x864.jpg 1536w, https:\/\/bizzi.vn\/wp-content\/uploads\/2025\/06\/02-ma-nhan-hoa-don-quan-trong-18x10.jpg 18w\" sizes=\"(max-width: 1920px) 100vw, 1920px\" \/><\/p>\n<h2><span class=\"ez-toc-section\" id=\"3_Huong_dan_cach_tim_ma_nhan_hoa_don_va_tra_cuu_hoa_don_dien_tu\"><\/span><b>3. Instructions on how to find the invoice code and look up electronic invoices<\/b><span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p><span style=\"font-weight: 400;\">In the process <\/span><a href=\"https:\/\/bizzi.vn\/quy-trinh-dang-ky-hoa-don-dien-tu\/\"><span style=\"font-weight: 400;\">use electronic invoices<\/span><\/a><span style=\"font-weight: 400;\">, knowing <\/span><b>What is the invoice code?<\/b><span style=\"font-weight: 400;\"> and how to look up electronic invoices will help business owners and accountants easily check the validity as well as manage invoices effectively. Below are specific step-by-step instructions for you to follow.<\/span><\/p>\n<h3><span class=\"ez-toc-section\" id=\"31_Cach_tim_ma_nhan_hoa_don\"><\/span><b>3.1. How to find invoice code<\/b><span class=\"ez-toc-section-end\"><\/span><\/h3>\n<ul>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">The invoice receipt code is usually printed clearly on the electronic invoice, commonly in the upper right corner or at the bottom of the invoice in the general information section.<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">The buyer can receive this code via email or SMS when the seller issues the invoice.<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">The invoice code is a long string of characters including letters and numbers, used to identify and look up electronic invoices.<\/span><\/li>\n<\/ul>\n<h3><span class=\"ez-toc-section\" id=\"32_Cac_phuong_thuc_tra_cuu_hoa_don_dien_tu_pho_bien\"><\/span><b>3.2. Popular methods of looking up electronic invoices<\/b><span class=\"ez-toc-section-end\"><\/span><\/h3>\n<h4><span class=\"ez-toc-section\" id=\"Tra_cuu_tren_Cong_thong_tin_Tong_cuc_Thue\"><\/span><b>Search on the General Department of Taxation Portal<\/b><span class=\"ez-toc-section-end\"><\/span><\/h4>\n<ol>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Visit the official website of the General Department of Taxation at:<\/span>\n<ul>\n<li style=\"font-weight: 400;\" aria-level=\"2\"><a href=\"https:\/\/hoadondientu.gdt.gov.vn\/\" rel=\"nofollow noopener\" target=\"_blank\"><span style=\"font-weight: 400;\">https:\/\/hoadondientu.gdt.gov.vn\/<\/span><\/a><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"2\"><span style=\"font-weight: 400;\">or<\/span><a href=\"https:\/\/tracuuhoadon.gdt.gov.vn\/tc1hd.html\" rel=\"nofollow noopener\" target=\"_blank\"> <span style=\"font-weight: 400;\">https:\/\/tracuuhoadon.gdt.gov.vn\/tc1hd.html<\/span><\/a><\/li>\n<\/ul>\n<\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Enter the required information including:<\/span>\n<ul>\n<li style=\"font-weight: 400;\" aria-level=\"2\"><span style=\"font-weight: 400;\">Seller Tax Identification Number<\/span><span style=\"font-weight: 400;\"><br \/>\n<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"2\"><span style=\"font-weight: 400;\">Invoice type<\/span><span style=\"font-weight: 400;\"><br \/>\n<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"2\"><span style=\"font-weight: 400;\">Invoice symbol<\/span><span style=\"font-weight: 400;\"><br \/>\n<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"2\"><span style=\"font-weight: 400;\">Some bills<\/span><span style=\"font-weight: 400;\"><br \/>\n<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"2\"><span style=\"font-weight: 400;\">Total payment<\/span><span style=\"font-weight: 400;\"><br \/>\n<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"2\"><span style=\"font-weight: 400;\">Captcha code displayed on page<\/span><span style=\"font-weight: 400;\"><br \/>\n<\/span><\/li>\n<\/ul>\n<\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Click the search button to get the results.<\/span><span style=\"font-weight: 400;\"><br \/>\n<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">The result shows the status of the invoice processing. If there is a message \u201cInvoice code issued\u201d, the invoice is confirmed valid.<\/span><span style=\"font-weight: 400;\"><br \/>\n<\/span><\/li>\n<\/ol>\n<p><img decoding=\"async\" class=\"alignnone size-full wp-image-999975464\" src=\"https:\/\/bizzi.vn\/wp-content\/uploads\/2025\/06\/03-tra-cuu-hoa-don-dien-tu.jpg\" alt=\"\" width=\"1920\" height=\"1080\" title=\"\" srcset=\"https:\/\/bizzi.vn\/wp-content\/uploads\/2025\/06\/03-tra-cuu-hoa-don-dien-tu.jpg 1920w, https:\/\/bizzi.vn\/wp-content\/uploads\/2025\/06\/03-tra-cuu-hoa-don-dien-tu-300x169.jpg 300w, https:\/\/bizzi.vn\/wp-content\/uploads\/2025\/06\/03-tra-cuu-hoa-don-dien-tu-1024x576.jpg 1024w, https:\/\/bizzi.vn\/wp-content\/uploads\/2025\/06\/03-tra-cuu-hoa-don-dien-tu-768x432.jpg 768w, https:\/\/bizzi.vn\/wp-content\/uploads\/2025\/06\/03-tra-cuu-hoa-don-dien-tu-1536x864.jpg 1536w, https:\/\/bizzi.vn\/wp-content\/uploads\/2025\/06\/03-tra-cuu-hoa-don-dien-tu-18x10.jpg 18w\" sizes=\"(max-width: 1920px) 100vw, 1920px\" \/><\/p>\n<h4><span class=\"ez-toc-section\" id=\"Tra_cuu_qua_phan_mem_hoac_website_cua_nha_cung_cap_dich_vu_hoa_don_dien_tu\"><\/span><b>Look up via software or website of electronic invoice service provider<\/b><span class=\"ez-toc-section-end\"><\/span><\/h4>\n<ol>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Visit the website or software of the electronic invoice service provider your business is using (for example: einvoice.vn).<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Enter the invoice receipt code and verification code (if any) in the corresponding boxes.<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Click search to see invoice details.<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">With Bizzi&#039;s B-invoice solution, the system can connect directly with tax authorities to authenticate invoices via authentication codes, supporting checking and comparing accurate input invoices.<\/span><\/li>\n<\/ol>\n<h4><span class=\"ez-toc-section\" id=\"Tra_cuu_bang_ma_QR\"><\/span><b>Search by QR code<\/b><span class=\"ez-toc-section-end\"><\/span><\/h4>\n<ol>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Use the QR code scanning application on your phone (can be downloaded for free on CH Play or Appstore).<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Open the app and place the camera on the QR code printed on the receipt.<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">The phone will automatically redirect to the corresponding bill lookup page.<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">View invoice information on the display page.<\/span><\/li>\n<\/ol>\n<h4><span class=\"ez-toc-section\" id=\"Tra_cuu_qua_ung_dung_di_dong_chinh_thuc_eTax_Mobile\"><\/span><b>Look up via the official mobile application eTax Mobile<\/b><span class=\"ez-toc-section-end\"><\/span><\/h4>\n<ol>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Download and install the eTax Mobile application developed by the General Department of Taxation.<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Open the application, select the electronic invoice lookup section.<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Enter invoice information or scan the QR code on the invoice to look up.<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">View bill status and details right on your phone.<\/span><span style=\"font-weight: 400;\"><br \/>\n<\/span><\/li>\n<\/ol>\n<p><span style=\"font-weight: 400;\">Understand <\/span><b>What is the invoice code?<\/b><span style=\"font-weight: 400;\"> and know <\/span><a href=\"https:\/\/bizzi.vn\/cach-tra-cuu-hoa-don-dien-tu\/\"><span style=\"font-weight: 400;\">How to look up electronic invoices<\/span><\/a><span style=\"font-weight: 400;\"> helps businesses proactively control finances, avoiding risks arising from invalid invoices. Bizzi always accompanies you with modern, fast and accurate electronic invoice solutions.<\/span><\/p>\n<p><span style=\"font-weight: 400;\">If you need support for e-invoice solutions, contact Bizzi for detailed advice and try B-invoice today.<\/span><\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-full wp-image-999975465\" src=\"https:\/\/bizzi.vn\/wp-content\/uploads\/2025\/06\/04-tra-cuu-hoa-don-dien-tu-tren-website.jpg\" alt=\"\" width=\"1920\" height=\"1080\" title=\"\" srcset=\"https:\/\/bizzi.vn\/wp-content\/uploads\/2025\/06\/04-tra-cuu-hoa-don-dien-tu-tren-website.jpg 1920w, https:\/\/bizzi.vn\/wp-content\/uploads\/2025\/06\/04-tra-cuu-hoa-don-dien-tu-tren-website-300x169.jpg 300w, https:\/\/bizzi.vn\/wp-content\/uploads\/2025\/06\/04-tra-cuu-hoa-don-dien-tu-tren-website-1024x576.jpg 1024w, https:\/\/bizzi.vn\/wp-content\/uploads\/2025\/06\/04-tra-cuu-hoa-don-dien-tu-tren-website-768x432.jpg 768w, https:\/\/bizzi.vn\/wp-content\/uploads\/2025\/06\/04-tra-cuu-hoa-don-dien-tu-tren-website-1536x864.jpg 1536w, https:\/\/bizzi.vn\/wp-content\/uploads\/2025\/06\/04-tra-cuu-hoa-don-dien-tu-tren-website-18x10.jpg 18w\" sizes=\"(max-width: 1920px) 100vw, 1920px\" \/><\/p>\n<h2><span class=\"ez-toc-section\" id=\"4_Xu_ly_khi_khong_tim_thay_ma_nhan_hoa_don_hoac_hoa_don_khong_hop_le\"><\/span><b>4. Handling when invoice code is not found or invoice is invalid<\/b><span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p><span style=\"font-weight: 400;\">For businesses and accountants, timely detection and handling of cases where invoice codes cannot be found or invoices are invalid is very important to ensure proper accounting procedures and avoid legal risks.<\/span><\/p>\n<ul>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">First of all, it is necessary to check the origin of the invoice to make sure it is the original invoice, downloaded directly from the seller&#039;s system or received from their official email. This helps to avoid confusion due to fake invoices or invalid copies.<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">If you cannot find the invoice receipt code, please contact the seller immediately to request a new invoice with the full receipt code. Avoid using invoices without receipt codes, which will cause difficulties in accounting and tax inspection.<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">In case there is still doubt about the validity of the invoice, the enterprise can look it up directly on the General Department of Taxation&#039;s system to verify the invoice information and receipt code.<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">When detecting an invoice with signs of abnormality, discrepancy or invalidity, the enterprise needs to immediately notify the tax authority for handling instructions and to avoid future tax risks.<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">In particular, with Bizzi, the system has a &quot;Risk invoice warning&quot; feature that helps businesses proactively detect early signs of risky invoices from suppliers, helping to minimize the risk of processing invalid invoices and improve financial management efficiency.<\/span><\/li>\n<\/ul>\n<p><span style=\"font-weight: 400;\">Understanding &quot;what is an invoice code&quot; and knowing how to handle related issues will help businesses and accountants be proactive, avoid risks and comply with legal regulations on electronic invoices accurately.<\/span><\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-full wp-image-999975466\" src=\"https:\/\/bizzi.vn\/wp-content\/uploads\/2025\/06\/05-xu-ly-khi-khong-tim-thay-ma-nhan-hoa-don-dien-tu.jpg\" alt=\"\" width=\"1920\" height=\"1080\" title=\"\" srcset=\"https:\/\/bizzi.vn\/wp-content\/uploads\/2025\/06\/05-xu-ly-khi-khong-tim-thay-ma-nhan-hoa-don-dien-tu.jpg 1920w, https:\/\/bizzi.vn\/wp-content\/uploads\/2025\/06\/05-xu-ly-khi-khong-tim-thay-ma-nhan-hoa-don-dien-tu-300x169.jpg 300w, https:\/\/bizzi.vn\/wp-content\/uploads\/2025\/06\/05-xu-ly-khi-khong-tim-thay-ma-nhan-hoa-don-dien-tu-1024x576.jpg 1024w, https:\/\/bizzi.vn\/wp-content\/uploads\/2025\/06\/05-xu-ly-khi-khong-tim-thay-ma-nhan-hoa-don-dien-tu-768x432.jpg 768w, https:\/\/bizzi.vn\/wp-content\/uploads\/2025\/06\/05-xu-ly-khi-khong-tim-thay-ma-nhan-hoa-don-dien-tu-1536x864.jpg 1536w, https:\/\/bizzi.vn\/wp-content\/uploads\/2025\/06\/05-xu-ly-khi-khong-tim-thay-ma-nhan-hoa-don-dien-tu-18x10.jpg 18w\" sizes=\"(max-width: 1920px) 100vw, 1920px\" \/><\/p>\n<h2><span class=\"ez-toc-section\" id=\"5_Quan_ly_ma_nhan_hoa_don_hieu_qua_trong_doanh_nghiep\"><\/span><b>5. Effectively manage invoice codes in the business<\/b><span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p><span style=\"font-weight: 400;\">What is an invoice code and why is invoice code management important for businesses? An invoice code is a unique string of characters issued by the tax authority to authenticate electronic invoices, helping businesses closely control the issuance and storage of invoices. Effectively managing invoice codes not only helps businesses comply with legal regulations but also saves time, costs and limits risks in the storage and lookup process. Below are effective ways to manage invoice codes that business owners and accountants should apply:<\/span><\/p>\n<ul>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\"><strong>Store with care:<\/strong> Businesses need to keep the invoice receipt code along with the original electronic invoice systematically and securely. This can be done on a computer, cloud storage or printed on paper (if necessary), ensuring easy retrieval when needed.<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\"><strong>Use professional management software:<\/strong> Applying electronic invoice management software helps automatically store and manage invoice receipt codes, minimize manual errors and save time for the accounting department.<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\"><strong>Classification and arrangement:<\/strong> You should classify invoice codes by date, partner name or invoice type to make searching faster and more efficient, avoiding wasting time when checking.<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\"><strong>Staff training:<\/strong> Ensure that accounting staff and related departments clearly understand the importance of invoice codes and how to manage them accurately, thereby enhancing professionalism in corporate financial management.<\/span><\/li>\n<\/ul>\n<p><b><i>Benefits of using invoice\/expense management software like Bizzi:<\/i><\/b><\/p>\n<ul>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\"><strong>Full automation:<\/strong> Bizzi provides an automated cost and invoice control system, helping businesses streamline revenue and expenditure processes and effectively manage electronic invoices.<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\"><strong>Secure and easy to search:<\/strong> Bizzi&#039;s system ensures high security, while allowing quick lookup of invoice codes anytime, anywhere.<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\"><strong>Save cost and time:<\/strong> Switching to electronic invoices with management software like Bizzi helps reduce costs by up to 90% compared to paper invoices, while significantly shortening the time to create and issue invoices.<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\"><strong>Minimize storage risk:<\/strong> Avoid loss, fire or damage to physical invoices by automatically storing input invoices for 10 years, ensuring compliance with legal regulations.<\/span><\/li>\n<\/ul>\n<p><span style=\"font-weight: 400;\">Effective invoice code management is not only about compliance with the law but also an important step to help businesses operate flexibly, economically and safely. Applying technology solutions such as Bizzi will help you firmly control finances and invoices, creating the premise for sustainable development.<\/span><\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-full wp-image-999975467\" src=\"https:\/\/bizzi.vn\/wp-content\/uploads\/2025\/06\/06-bizzi-xu-ly-hoa-don-dien-tu.jpg\" alt=\"\" width=\"1920\" height=\"1080\" title=\"\" srcset=\"https:\/\/bizzi.vn\/wp-content\/uploads\/2025\/06\/06-bizzi-xu-ly-hoa-don-dien-tu.jpg 1920w, https:\/\/bizzi.vn\/wp-content\/uploads\/2025\/06\/06-bizzi-xu-ly-hoa-don-dien-tu-300x169.jpg 300w, https:\/\/bizzi.vn\/wp-content\/uploads\/2025\/06\/06-bizzi-xu-ly-hoa-don-dien-tu-1024x576.jpg 1024w, https:\/\/bizzi.vn\/wp-content\/uploads\/2025\/06\/06-bizzi-xu-ly-hoa-don-dien-tu-768x432.jpg 768w, https:\/\/bizzi.vn\/wp-content\/uploads\/2025\/06\/06-bizzi-xu-ly-hoa-don-dien-tu-1536x864.jpg 1536w, https:\/\/bizzi.vn\/wp-content\/uploads\/2025\/06\/06-bizzi-xu-ly-hoa-don-dien-tu-18x10.jpg 18w\" sizes=\"(max-width: 1920px) 100vw, 1920px\" \/><\/p>\n<h2><span class=\"ez-toc-section\" id=\"Ket_luan\"><\/span><span style=\"font-weight: 400;\">Conclude<\/span><span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p><span style=\"font-weight: 400;\">Understanding <\/span><b>What is the invoice code?<\/b><span style=\"font-weight: 400;\"> and mastering how to look up electronic invoice codes helps businesses control invoices closely, comply with accounting and tax laws. This is a powerful support tool for business owners and accountants to manage finances transparently, minimizing risks in the process of checking and comparing invoices.<\/span><\/p>\n<p><span style=\"font-weight: 400;\">To simplify this process, Bizzi provides a smart electronic invoice management solution that helps you look up invoice codes quickly, accurately and store them securely. Experience Bizzi software now to optimize accounting and invoice management in your business!<\/span><\/p>\n<p><b><i>Related Posts:<\/i><\/b><\/p>\n<ul>\n<li aria-level=\"1\"><a href=\"https:\/\/bizzi.vn\/huong-dan-chi-tiet-cac-cach-tai-hoa-don-dien-tu\/\"><b><i>Download Electronic Invoice: <\/i><\/b><\/a><b><i>Detailed Instructions on How to Get XML, PDF Files &amp; Store Them Properly<\/i><\/b><\/li>\n<\/ul>\n<ul>\n<li aria-level=\"1\"><a href=\"https:\/\/bizzi.vn\/quy-trinh-dang-ky-hoa-don-dien-tu\/\"><b><i>Register for electronic invoices<\/i><\/b><\/a><b><i>: Conditions, requirements and registration process<\/i><\/b><\/li>\n<li><b><i><\/i><\/b><a href=\"https:\/\/bizzi.vn\/hoa-don-dien-tu-la-gi\/\"><b><i>What is an electronic invoice?<\/i><\/b><\/a><b><i> Classification and detailed instructions on issuing and using electronic invoices<\/i><\/b><\/li>\n<\/ul>","protected":false},"excerpt":{"rendered":"<p>In the digital age, electronic invoices are becoming more and more popular and are an effective financial management tool\u2026<\/p>","protected":false},"author":57,"featured_media":999975469,"comment_status":"open","ping_status":"open","sticky":false,"template":"elementor_theme","format":"standard","meta":{"_acf_changed":false,"content-type":"","inline_featured_image":false,"footnotes":""},"categories":[263,85],"tags":[],"class_list":["post-999975460","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-kien-thuc","category-kiem-soat"],"acf":[],"_links":{"self":[{"href":"https:\/\/bizzi.vn\/en\/wp-json\/wp\/v2\/posts\/999975460","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\/57"}],"replies":[{"embeddable":true,"href":"https:\/\/bizzi.vn\/en\/wp-json\/wp\/v2\/comments?post=999975460"}],"version-history":[{"count":4,"href":"https:\/\/bizzi.vn\/en\/wp-json\/wp\/v2\/posts\/999975460\/revisions"}],"predecessor-version":[{"id":999975471,"href":"https:\/\/bizzi.vn\/en\/wp-json\/wp\/v2\/posts\/999975460\/revisions\/999975471"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/bizzi.vn\/en\/wp-json\/wp\/v2\/media\/999975469"}],"wp:attachment":[{"href":"https:\/\/bizzi.vn\/en\/wp-json\/wp\/v2\/media?parent=999975460"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/bizzi.vn\/en\/wp-json\/wp\/v2\/categories?post=999975460"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/bizzi.vn\/en\/wp-json\/wp\/v2\/tags?post=999975460"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}