{"id":999976251,"date":"2025-06-28T16:22:53","date_gmt":"2025-06-28T09:22:53","guid":{"rendered":"https:\/\/bizzi.vn\/?p=999976251"},"modified":"2026-06-09T13:49:46","modified_gmt":"2026-06-09T06:49:46","slug":"do-electronic-invoices-need-a-digital-signature-when-do-they-need-one-and-when-dont-they-need-one","status":"publish","type":"post","link":"https:\/\/bizzi.vn\/en\/do-electronic-invoices-need-a-digital-signature-when-do-they-need-one-and-when-dont-they-need-one\/","title":{"rendered":"Does an electronic invoice require a digital signature? When is it needed and when is it not?"},"content":{"rendered":"<p><a href=\"https:\/\/bizzi.vn\/hoa-don-dien-tu-la-gi-phan-loai-va-huong-dan-chi-tiet-ve-phat-hanh-va-su-dung-hoa-don-dien-tu\/\"><b>Electronic bill<\/b><\/a> <span style=\"font-weight: 400;\">Whether a digital signature is required to ensure validity is still a question and a misunderstanding today. Electronic invoices are becoming more and more popular and becoming an important document for accounting. Meanwhile, digital signature (CKS) is considered one of the conditions to ensure the legality of electronic invoices.\u00a0<\/span><\/p>\n<p><span style=\"font-weight: 400;\">This article will clarify the relevant legal regulations on whether electronic invoices need to be signed so that businesses can have a comprehensive view and avoid risks during business operations.<\/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\/do-electronic-invoices-need-a-digital-signature-when-do-they-need-one-and-when-dont-they-need-one\/#Chu_ky_so_va_quy_dinh_phap_luat_lien_quan_den_Hoa_don_dien_tu\" >Digital signature and legal regulations related to 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-2\" href=\"https:\/\/bizzi.vn\/en\/do-electronic-invoices-need-a-digital-signature-when-do-they-need-one-and-when-dont-they-need-one\/#Khai_niem_chu_ky_so\" >Concept of digital signature<\/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\/do-electronic-invoices-need-a-digital-signature-when-do-they-need-one-and-when-dont-they-need-one\/#Hoa_don_dien_tu_co_can_chu_ky_so_khong_Quy_dinh_chung_ve_chu_ky_so_tren_hoa_don_dien_tu\" >Do electronic invoices require a digital signature? General regulations on digital signatures on electronic invoices<\/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\/do-electronic-invoices-need-a-digital-signature-when-do-they-need-one-and-when-dont-they-need-one\/#Hoa_don_dien_tu_co_can_ky_khong_Cac_truong_hop_khong_bat_buoc_van_hop_le\" >Do electronic invoices need to be signed? Non-mandatory cases are still valid<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-5\" href=\"https:\/\/bizzi.vn\/en\/do-electronic-invoices-need-a-digital-signature-when-do-they-need-one-and-when-dont-they-need-one\/#Hoa_don_dien_tu_co_can_chu_ky_so_khong_va_cach_kiem_tra_tinh_hop_le\" >Do electronic invoices need a digital signature and how to check their validity?\u00a0<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-6\" href=\"https:\/\/bizzi.vn\/en\/do-electronic-invoices-need-a-digital-signature-when-do-they-need-one-and-when-dont-they-need-one\/#Yeu_cau_ve_tinh_san_sang_va_kha_nang_tra_cuu_cua_HDDT\" >Requirements for availability and searchability of 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-7\" href=\"https:\/\/bizzi.vn\/en\/do-electronic-invoices-need-a-digital-signature-when-do-they-need-one-and-when-dont-they-need-one\/#Hoa_don_dien_tu_co_can_chu_ky_khong_Cach_kiem_tra_chu_ky_so_tren_HDDT\" >Do electronic invoices require a signature? How to check the digital signature on an electronic invoice?<\/a><\/li><\/ul><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-8\" href=\"https:\/\/bizzi.vn\/en\/do-electronic-invoices-need-a-digital-signature-when-do-they-need-one-and-when-dont-they-need-one\/#Giai_phap_ho_tro_quan_ly_hoa_don_dien_tu_cho_doanh_nghiep_Bizzi\" >Solution to support electronic invoice management for businesses: Bizzi<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-9\" href=\"https:\/\/bizzi.vn\/en\/do-electronic-invoices-need-a-digital-signature-when-do-they-need-one-and-when-dont-they-need-one\/#Ket_luan\" >Conclude<\/a><\/li><\/ul><\/nav><\/div>\n<h2><span class=\"ez-toc-section\" id=\"Chu_ky_so_va_quy_dinh_phap_luat_lien_quan_den_Hoa_don_dien_tu\"><\/span><b>Digital signature and legal regulations related to Electronic Invoices<\/b><span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p><span style=\"font-weight: 400;\">Below is a detailed summary of digital signatures and legal regulations related to electronic invoices, updated according to current regulations in Vietnam:<\/span><\/p>\n<h3><span class=\"ez-toc-section\" id=\"Khai_niem_chu_ky_so\"><\/span><b>Concept of digital signature<\/b><span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p><span style=\"font-weight: 400;\">A digital signature is understood as a form of electronic signature created by transforming a data message using an asymmetric cryptographic system. Accordingly, a person who has the original data message and the signer&#039;s public key can determine that the transformation was created with the correct secret key corresponding to the public key in the same key pair, as well as the integrity of the content of the data message since the transformation was performed.<\/span><\/p>\n<p><span style=\"font-weight: 400;\">Digital signatures are increasingly popular and known as one of the indispensable tools of businesses and units in current production and business activities, contributing to ensuring the legality and safety of electronic transactions.<\/span><\/p>\n<h3><span class=\"ez-toc-section\" id=\"Hoa_don_dien_tu_co_can_chu_ky_so_khong_Quy_dinh_chung_ve_chu_ky_so_tren_hoa_don_dien_tu\"><\/span><b>Do electronic invoices require a digital signature? General regulations on digital signatures on electronic invoices<\/b><span class=\"ez-toc-section-end\"><\/span><\/h3>\n<ul>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><b>Seller&#039;s digital signature<\/b><span style=\"font-weight: 400;\">:<\/span>\n<ul>\n<li style=\"font-weight: 400;\" aria-level=\"2\"><span style=\"font-weight: 400;\">Normally, the electronic invoice must have the seller&#039;s digital signature.<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"2\"><span style=\"font-weight: 400;\">In case the seller is a business or organization, the seller&#039;s digital signature on the invoice is the digital signature of the business or organization; in case the seller is an individual, the digital signature of the individual or authorized person is used.<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"2\"><span style=\"font-weight: 400;\">However, the law also stipulates that there are some cases where it is not necessary to have a digital signature of the seller\/buyer or both parties.<\/span><\/li>\n<\/ul>\n<\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><b>Buyer&#039;s digital signature<\/b><span style=\"font-weight: 400;\">:<\/span>\n<ul>\n<li style=\"font-weight: 400;\" aria-level=\"2\"><span style=\"font-weight: 400;\">Electronic invoices do not necessarily require the buyer&#039;s electronic signature, including cases of issuing electronic invoices when selling goods or providing services to customers abroad.<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"2\"><span style=\"font-weight: 400;\">Only in the case where the buyer is a business establishment and the buyer and seller have an agreement that the buyer meets the technical conditions for digital signature and electronic signature on the electronic invoice issued by the seller, the electronic invoice has the digital signature and electronic signature of the seller and the buyer according to the agreement between the two parties.<\/span><\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<figure id=\"attachment_999976254\" aria-describedby=\"caption-attachment-999976254\" style=\"width: 843px\" class=\"wp-caption aligncenter\"><img fetchpriority=\"high\" decoding=\"async\" class=\"wp-image-999976254 size-full\" src=\"https:\/\/bizzi.vn\/wp-content\/uploads\/2025\/06\/bizzi-hoa-don-dien-tu-co-can-chu-ky-so-khong.png\" alt=\"bizzi-electronic-invoice-require-a-signature\" width=\"843\" height=\"837\" title=\"\" srcset=\"https:\/\/bizzi.vn\/wp-content\/uploads\/2025\/06\/bizzi-hoa-don-dien-tu-co-can-chu-ky-so-khong.png 843w, https:\/\/bizzi.vn\/wp-content\/uploads\/2025\/06\/bizzi-hoa-don-dien-tu-co-can-chu-ky-so-khong-300x298.png 300w, https:\/\/bizzi.vn\/wp-content\/uploads\/2025\/06\/bizzi-hoa-don-dien-tu-co-can-chu-ky-so-khong-150x150.png 150w, https:\/\/bizzi.vn\/wp-content\/uploads\/2025\/06\/bizzi-hoa-don-dien-tu-co-can-chu-ky-so-khong-768x763.png 768w, https:\/\/bizzi.vn\/wp-content\/uploads\/2025\/06\/bizzi-hoa-don-dien-tu-co-can-chu-ky-so-khong-12x12.png 12w\" sizes=\"(max-width: 843px) 100vw, 843px\" \/><figcaption id=\"caption-attachment-999976254\" class=\"wp-caption-text\">Must comply with general regulations on digital signatures on electronic invoices<\/figcaption><\/figure>\n<h2><span class=\"ez-toc-section\" id=\"Hoa_don_dien_tu_co_can_ky_khong_Cac_truong_hop_khong_bat_buoc_van_hop_le\"><\/span><b>Do electronic invoices need to be signed? Non-mandatory cases are still valid<\/b><span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p><span style=\"font-weight: 400;\">Cases where electronic invoices do not necessarily require the digital signature of the seller or buyer but are still valid are specifically regulated in Clause 14, Article 10, Decree 123\/2020\/ND-CP and Clause 2, Article 11, Decree 123\/2020\/ND-CP:<\/span><\/p>\n<ul>\n<li aria-level=\"1\"><b>Electronic invoices issued by tax authorities for each occurrence:\u00a0<\/b><\/li>\n<\/ul>\n<ul>\n<li style=\"list-style-type: none;\">\n<ul>\n<li style=\"font-weight: 400;\" aria-level=\"2\"><span style=\"font-weight: 400;\">In this case, the electronic invoice does not necessarily have to have the digital signature of the seller or buyer.<\/span><\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<ul>\n<li aria-level=\"1\"><b>Electronic invoice for selling gasoline to individual non-business customers<\/b><\/li>\n<\/ul>\n<ul>\n<li style=\"list-style-type: none;\">\n<ul>\n<li style=\"font-weight: 400;\" aria-level=\"2\"><span style=\"font-weight: 400;\">For electronic invoices for selling gasoline to individual non-business customers, the invoice does not necessarily have to have the digital signature, electronic signature of the seller and electronic signature of the buyer.<\/span><\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<ul>\n<li aria-level=\"1\"><b>Electronic invoices are stamps, tickets, cards<\/b><\/li>\n<\/ul>\n<ul>\n<li style=\"list-style-type: none;\">\n<ul>\n<li style=\"font-weight: 400;\" aria-level=\"2\"><span style=\"font-weight: 400;\">On electronic invoices such as stamps, tickets, and cards, it is not necessary to have the seller&#039;s digital signature (except in cases where stamps, tickets, and cards are electronic invoices with codes issued by tax authorities).<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"2\"><span style=\"font-weight: 400;\">In case stamps, tickets, and electronic cards have available face values, it is not necessary to have criteria for unit of calculation, quantity, and unit price.<\/span><\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<ul>\n<li aria-level=\"1\"><b>Electronic documents for air transport services issued via website and e-commerce system<\/b><\/li>\n<\/ul>\n<ul>\n<li style=\"list-style-type: none;\">\n<ul>\n<li style=\"font-weight: 400;\" aria-level=\"2\"><span style=\"font-weight: 400;\">For non-business individual buyers, if the document is prepared according to international practice and identified as an electronic invoice, the invoice does not necessarily need to have the seller&#039;s digital signature.<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"2\"><span style=\"font-weight: 400;\">Invoices used for Interline payments between airlines are prepared according to the regulations of the International Air Transport Association, so the invoice does not necessarily have to have the buyer&#039;s digital signature.<\/span><\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<ul>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><b>Invoices are generated from cash registers that are connected to electronic data transfer with tax authorities: <\/b><span style=\"font-weight: 400;\">This invoice does not require a digital signature. How to identify an electronic invoice generated from a cash register:<\/span><\/li>\n<\/ul>\n<ul>\n<li style=\"list-style-type: none;\">\n<ul>\n<li style=\"font-weight: 400;\" aria-level=\"2\"><span style=\"font-weight: 400;\">Invoice symbol: The 5th character is &#039;M&#039;.<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"2\"><span style=\"font-weight: 400;\">Tax authority code: Consists of 23 characters, with the first character C1 being the fixed letter &#039;M&#039;.<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"2\"><span style=\"font-weight: 400;\">Seller Signature: It is usually not necessary to display the seller&#039;s digital signature information on the invoice.<\/span><\/li>\n<\/ul>\n<\/li>\n<li><b>Invoices for construction and installation activities; house building activities for sale: When collecting money according to contract progress.<\/b><\/li>\n<li><b>Internal delivery note or delivery note for goods sent to agents for sale.<\/b><\/li>\n<li><b>Air freight company invoice issued to agent:<\/b><span style=\"font-weight: 400;\"> When the invoice is issued according to the report that has been reconciled between the two parties and according to the summary table.<\/span><\/li>\n<li><b>Invoices for construction, installation, production, provision of products and services of defense and security enterprises serving defense and security activities, operating according to Government regulations.<\/b><\/li>\n<li style=\"list-style-type: none;\"><\/li>\n<\/ul>\n<ul>\n<li style=\"list-style-type: none;\"><\/li>\n<\/ul>\n<figure id=\"attachment_999976253\" aria-describedby=\"caption-attachment-999976253\" style=\"width: 476px\" class=\"wp-caption aligncenter\"><img decoding=\"async\" class=\"wp-image-999976253 size-full\" src=\"https:\/\/bizzi.vn\/wp-content\/uploads\/2025\/06\/bizzi-hoa-don-dien-tu-co-can-chu-ky-so-khong-1.png\" alt=\"bizzi-electronic-invoice-require-a-signature\" width=\"476\" height=\"249\" title=\"\" srcset=\"https:\/\/bizzi.vn\/wp-content\/uploads\/2025\/06\/bizzi-hoa-don-dien-tu-co-can-chu-ky-so-khong-1.png 476w, https:\/\/bizzi.vn\/wp-content\/uploads\/2025\/06\/bizzi-hoa-don-dien-tu-co-can-chu-ky-so-khong-1-300x157.png 300w, https:\/\/bizzi.vn\/wp-content\/uploads\/2025\/06\/bizzi-hoa-don-dien-tu-co-can-chu-ky-so-khong-1-18x9.png 18w\" sizes=\"(max-width: 476px) 100vw, 476px\" \/><figcaption id=\"caption-attachment-999976253\" class=\"wp-caption-text\">Whether an electronic invoice requires a digital signature will depend on each specific case.<\/figcaption><\/figure>\n<p><span style=\"font-weight: 400;\">Therefore, whether an electronic invoice requires a digital signature or not will depend on the regulations in each specific case. \u00a0<\/span><\/p>\n<h2><span class=\"ez-toc-section\" id=\"Hoa_don_dien_tu_co_can_chu_ky_so_khong_va_cach_kiem_tra_tinh_hop_le\"><\/span><b>Do electronic invoices need a digital signature and how to check their validity?\u00a0<\/b><span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p><span style=\"font-weight: 400;\">To ensure that the electronic invoice is valid - legal - accepted when declaring taxes, you need to check the following factors:<\/span><\/p>\n<h2><span class=\"ez-toc-section\" id=\"Yeu_cau_ve_tinh_san_sang_va_kha_nang_tra_cuu_cua_HDDT\"><\/span><b>Requirements for availability and searchability of electronic invoices<\/b><span class=\"ez-toc-section-end\"><\/span><\/h2>\n<ul>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Electronic invoices and electronic documents must be ready to be printed on paper or looked up upon request.<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Preservation and storage must ensure safety, security, integrity, completeness, and no changes or deviations during the entire storage period and within the time limit prescribed by law (minimum 10 years).<\/span><\/li>\n<\/ul>\n<h3><span class=\"ez-toc-section\" id=\"Hoa_don_dien_tu_co_can_chu_ky_khong_Cach_kiem_tra_chu_ky_so_tren_HDDT\"><\/span><b>Do electronic invoices require a signature? How to check the digital signature on an electronic invoice?<\/b><span class=\"ez-toc-section-end\"><\/span><\/h3>\n<ul>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><b>Method 1: Check on the website of the National Electronic Authentication Center (neac.gov.vn)<\/b><span style=\"font-weight: 400;\">:<\/span>\n<ul>\n<li style=\"font-weight: 400;\" aria-level=\"2\"><span style=\"font-weight: 400;\">Visit website neac.gov.vn.<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"2\"><span style=\"font-weight: 400;\">Select \u201cOnline Services\u201d -&gt; \u201cCheck digitally signed documents\u201d.<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"2\"><span style=\"font-weight: 400;\">Upload the document with the signature to be checked to the system and click \u201cCheck digital signature\u201d to see the result. The system will display information about the signature name, signature status (valid\/invalid), data integrity and digital certificate status.<\/span><\/li>\n<\/ul>\n<\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><b>Method 2: Check on NEAC Signer digital signature software<\/b><span style=\"font-weight: 400;\">:<\/span>\n<ul>\n<li style=\"font-weight: 400;\" aria-level=\"2\"><span style=\"font-weight: 400;\">Search and install NEAC Signer software (developed by the Ministry of Information and Communications).<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"2\"><span style=\"font-weight: 400;\">Open the software, select \u201cSystem\u201d -&gt; \u201cOpen file\u201d, then select \u201cCheck signature\u201d to view detailed information about the digital signature. This software supports checking and signing with many different formats such as PDF, XML, EXCEL.<\/span><\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<figure id=\"attachment_999976255\" aria-describedby=\"caption-attachment-999976255\" style=\"width: 1200px\" class=\"wp-caption aligncenter\"><img decoding=\"async\" class=\"wp-image-999976255\" src=\"https:\/\/bizzi.vn\/wp-content\/uploads\/2025\/06\/bizzi-hoa-don-dien-tu-co-can-chu-ky-so-khong-4.jpg\" alt=\"bizzi-electronic-invoice-require-a-signature\" width=\"1200\" height=\"634\" title=\"\" srcset=\"https:\/\/bizzi.vn\/wp-content\/uploads\/2025\/06\/bizzi-hoa-don-dien-tu-co-can-chu-ky-so-khong-4.jpg 1828w, https:\/\/bizzi.vn\/wp-content\/uploads\/2025\/06\/bizzi-hoa-don-dien-tu-co-can-chu-ky-so-khong-4-300x159.jpg 300w, https:\/\/bizzi.vn\/wp-content\/uploads\/2025\/06\/bizzi-hoa-don-dien-tu-co-can-chu-ky-so-khong-4-1024x541.jpg 1024w, https:\/\/bizzi.vn\/wp-content\/uploads\/2025\/06\/bizzi-hoa-don-dien-tu-co-can-chu-ky-so-khong-4-768x406.jpg 768w, https:\/\/bizzi.vn\/wp-content\/uploads\/2025\/06\/bizzi-hoa-don-dien-tu-co-can-chu-ky-so-khong-4-1536x812.jpg 1536w, https:\/\/bizzi.vn\/wp-content\/uploads\/2025\/06\/bizzi-hoa-don-dien-tu-co-can-chu-ky-so-khong-4-18x10.jpg 18w\" sizes=\"(max-width: 1200px) 100vw, 1200px\" \/><figcaption id=\"caption-attachment-999976255\" class=\"wp-caption-text\">To ensure that electronic invoices are valid - legal - accepted when declaring taxes, it is necessary to carefully check the system.<\/figcaption><\/figure>\n<h2><span class=\"ez-toc-section\" id=\"Giai_phap_ho_tro_quan_ly_hoa_don_dien_tu_cho_doanh_nghiep_Bizzi\"><\/span><b>Solution to support electronic invoice management for businesses: Bizzi<\/b><span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p><span style=\"font-weight: 400;\">Bizzi is a comprehensive cost control system for businesses and is considered an AI assistant for the finance and accounting department in automating the revenue and expenditure process.<\/span><\/p>\n<p><span style=\"font-weight: 400;\">The platform integrates more than 30 features to help businesses streamline and automate their cost management, debt collection, and B2B payment processes.<\/span><\/p>\n<p><span style=\"font-weight: 400;\">In particular, Bizzi provides the &quot;B-invoice electronic invoice&quot; solution with outstanding features such as:\u00a0<\/span><\/p>\n<ul>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Create electronic invoices according to tax authority regulations, in XML\/PDF format.<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\"><span style=\"font-weight: 400;\">Allows customizing invoice templates with logos, t<\/span><\/span>\n<figure id=\"attachment_999975601\" aria-describedby=\"caption-attachment-999975601\" style=\"width: 1200px\" class=\"wp-caption aligncenter\"><img loading=\"lazy\" decoding=\"async\" class=\"wp-image-999975601\" src=\"https:\/\/bizzi.vn\/wp-content\/uploads\/2025\/06\/05-giai-phap-cua-bizzi.jpg\" alt=\"bizzi-electronic-invoice-require-a-signature\" width=\"1200\" height=\"675\" title=\"\" srcset=\"https:\/\/bizzi.vn\/wp-content\/uploads\/2025\/06\/05-giai-phap-cua-bizzi.jpg 1920w, https:\/\/bizzi.vn\/wp-content\/uploads\/2025\/06\/05-giai-phap-cua-bizzi-300x169.jpg 300w, https:\/\/bizzi.vn\/wp-content\/uploads\/2025\/06\/05-giai-phap-cua-bizzi-1024x576.jpg 1024w, https:\/\/bizzi.vn\/wp-content\/uploads\/2025\/06\/05-giai-phap-cua-bizzi-768x432.jpg 768w, https:\/\/bizzi.vn\/wp-content\/uploads\/2025\/06\/05-giai-phap-cua-bizzi-1536x864.jpg 1536w, https:\/\/bizzi.vn\/wp-content\/uploads\/2025\/06\/05-giai-phap-cua-bizzi-18x10.jpg 18w\" sizes=\"(max-width: 1200px) 100vw, 1200px\" \/><figcaption id=\"caption-attachment-999975601\" class=\"wp-caption-text\">Bizzi \u2013 AI assistant for finance and accounting department in automating revenue and expenditure process.<\/figcaption><\/figure>\n<p><span style=\"font-weight: 400;\">corporate brand<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Support <\/span><a href=\"https:\/\/bizzi.vn\/cach-xuat-hoa-don-dien-tu\/\"><span style=\"font-weight: 400;\">invoice<\/span><\/a><span style=\"font-weight: 400;\"> Batch to issue multiple invoices at once.<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Connect directly to the tax authority system to authenticate invoices using authentication codes.<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Store invoices as prescribed (minimum 10 years), ensuring compliance with the law.<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><a href=\"https:\/\/bizzi.vn\/huong-dan-chi-tiet-cach-tra-cuu-hoa-don-dien-tu\/\"><span style=\"font-weight: 400;\">Look up electronic invoices<\/span><\/a><span style=\"font-weight: 400;\"> easily by many criteria such as number, issue date, customer, tax code.<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Download &amp; print invoices anytime in PDF, XML, digital signature integrated.<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Manage invoice status (issued, sent, paid, canceled or adjusted).<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Integrate API with ERP &amp; Accounting systems to synchronize data.<\/span><\/li>\n<\/ul>\n<p>&nbsp;<\/p>\n<h2><span class=\"ez-toc-section\" id=\"Ket_luan\"><\/span><b>Conclude<\/b><span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p><span style=\"font-weight: 400;\">Hopefully, through the above article, you can answer for yourself whether an electronic invoice requires a signature. In short, not all electronic invoices are required to have a digital signature of the seller or buyer. These special cases have been clearly stipulated in Decree 123\/2020\/ND-CP and related guiding documents.<\/span><\/p>\n<p><span style=\"font-weight: 400;\">It is important that businesses clearly understand and note the regulations on whether electronic invoices require digital signatures to ensure the validity and legality of invoices, and at the same time protect their interests in case of disputes or risks.<\/span><\/p>\n<p><span style=\"font-weight: 400;\">The application of modern technological solutions such as <\/span><b>Bizzi<\/b><span style=\"font-weight: 400;\"> with solution <\/span><b>B-invoice<\/b><span style=\"font-weight: 400;\"> will help businesses not only comply with regulations but also optimize invoice management processes, minimize costs and increase the efficiency of financial and accounting operations.<\/span><\/p>\n<ul>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Link to register for a trial of Bizzi products: <\/span><a href=\"https:\/\/bizzi.vn\/dang-ky-dung-thu\/\"><span style=\"font-weight: 400;\">https:\/\/bizzi.vn\/dang-ky-dung-thu\/<\/span><\/a><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\">Schedule a demo: <a href=\"https:\/\/bizzi.vn\/dat-lich-demo\/\"><span>https:\/\/bizzi.vn\/dat-lich-demo\/<\/span><\/a><\/li>\n<\/ul>","protected":false},"excerpt":{"rendered":"<p>Whether or not electronic invoices need a digital signature to ensure validity is still a question and causes\u2026<\/p>","protected":false},"author":56,"featured_media":999976252,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"content-type":"","inline_featured_image":false,"footnotes":""},"categories":[263,84],"tags":[],"class_list":["post-999976251","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-kien-thuc","category-thiet-lap"],"acf":[],"_links":{"self":[{"href":"https:\/\/bizzi.vn\/en\/wp-json\/wp\/v2\/posts\/999976251","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\/56"}],"replies":[{"embeddable":true,"href":"https:\/\/bizzi.vn\/en\/wp-json\/wp\/v2\/comments?post=999976251"}],"version-history":[{"count":2,"href":"https:\/\/bizzi.vn\/en\/wp-json\/wp\/v2\/posts\/999976251\/revisions"}],"predecessor-version":[{"id":999976257,"href":"https:\/\/bizzi.vn\/en\/wp-json\/wp\/v2\/posts\/999976251\/revisions\/999976257"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/bizzi.vn\/en\/wp-json\/wp\/v2\/media\/999976252"}],"wp:attachment":[{"href":"https:\/\/bizzi.vn\/en\/wp-json\/wp\/v2\/media?parent=999976251"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/bizzi.vn\/en\/wp-json\/wp\/v2\/categories?post=999976251"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/bizzi.vn\/en\/wp-json\/wp\/v2\/tags?post=999976251"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}