{"id":5550,"date":"2018-10-08T03:41:14","date_gmt":"2018-10-08T03:41:14","guid":{"rendered":"http:\/\/fusionsol.wp.knows.live\/?page_id=5550"},"modified":"2026-08-20T16:51:55","modified_gmt":"2026-08-20T09:51:55","slug":"digital-signature-solution","status":"publish","type":"page","link":"https:\/\/fusionwpdev.fusionsol.com\/en\/products\/digital-signature-solution\/","title":{"rendered":"Digital Signature Solution"},"content":{"rendered":"<div data-elementor-type=\"wp-page\" data-elementor-id=\"5550\" class=\"elementor elementor-5550\" data-elementor-post-type=\"page\">\n\t\t\t\t<div class=\"elementor-element elementor-element-500ae2f e-con-full e-flex e-con e-parent\" data-id=\"500ae2f\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t<div class=\"elementor-element elementor-element-a50638f e-con-full e-flex e-con e-child\" data-id=\"a50638f\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t\t\t<div class=\"elementor-element elementor-element-d9e4154 elementor-widget elementor-widget-heading\" data-id=\"d9e4154\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<p class=\"elementor-heading-title elementor-size-default\">Digital E Signature\u00a0| Veracity<\/p>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-aff84e6 elementor-widget elementor-widget-text-editor\" data-id=\"aff84e6\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\tFusion Solution provides development services for\u00a0<strong><em>Implement Digital Signature\u00a0<\/em><\/strong>and DocuSign. The system integrates with workflows, enabling automation, such as the purchase order (PO) issuance process to suppliers. The system will automatically send the digitally signed document directly to the supplier via email. Documents issued through the system are legally binding. The use of digital signatures is becoming regulated in many organizations, such as the Excise Department, and in banking processes. By 2022, opening accounts or applying for loans will shift from paper documents to electronic signatures to enhance credibility.\n\n<hr class=\"wp-block-separator is-style-dots\" \/>\n\n<strong>Digital signatures<\/strong>\u00a0<strong><strong>have been legally recognized as a viable alternative to paper documents.<\/strong><\/strong>Therefore, many businesses, such as the insurance industry and the Revenue Department, are now implementing electronic signatures as a replacement for paper documents.\n\nThe reliability of electronic documents is currently superior to paper documents because in today's workflow, data is stored on computers. Even if we have a paper document, if the information cannot be found, it's meaningless. However, an electronic document certifies that the information is definitely in the system. Therefore, digital signatures are the future that every company must adopt.\n\n<hr class=\"wp-block-separator is-style-dots\" \/>\n\n<h4 id=\"fusion-solution-service\" class=\"wp-block-heading\"><strong><span style=\"color: #ff8b00;font-family:rubik\">Fusion Solution Service<\/span><\/strong><\/h4>\n<ul class=\"wp-block-list\">\n \t<li>Provides solution development services for document verification that documents are genuine documents issued by the company, such as purchase orders, E-tax documents, etc.<\/li>\n \t<li>Providing development services for digital contracts instead of paper signing, which will result in a document file instead of paper, which is convenient for storing.<\/li>\n \t<li>Develop a digital ordering system that can verify the person who placed the order.<\/li>\n \t<li>Contract Document Management System (M-Contract)<\/li>\n \t<li>Using Digital Signatures with Document Management System (SharePoint)<\/li>\n \t<li>Providing Azure system for installing Signature system<\/li>\n<\/ul>\n\n<hr class=\"wp-block-separator is-style-dots\" \/>\n\n<h4 id=\"digital-signature-\u0e04-\u0e2d\" class=\"wp-block-heading\"><strong><span style=\"color: #ff8b00;font-family:rubik\"><em>Digital Signature<\/em>\u00a0<span style =\"font-family:Noto sans thai;\">is<\/span><\/span><\/strong><\/h4>\nAs an \u201celectronic\u201d fingerprint in encrypted text, a digital signature securely links the signer to a document in a recorded transaction. Digital signatures use a standardized, accepted format called a Public Key Infrastructure (PKI) to provide the highest level of security and acceptance as electronic signatures.\n\n<hr class=\"wp-block-separator is-style-dots\" \/>\n\n<h4 id=\"\u0e1b\u0e23\u0e30\u0e42\u0e22\u0e0a\u0e19-\u0e02\u0e2d\u0e07-\u0e14-\u0e08-\u0e15\u0e2d\u0e25-\u0e0b-\u0e01\u0e40\u0e19\u0e40\u0e08\u0e2d\u0e23\" class=\"wp-block-heading\"><strong><span style=\"color: #ff8b00;font-family:Noto sans thai;\">Benefits of Digital Signature<\/span><\/strong><\/h4>\n<ul class=\"wp-block-list\">\n \t<li>Stop typing and scan your signature.<\/li>\n \t<li>Save your time \u2013 submit your sign-on documents with just a few clicks.<\/li>\n \t<li>For all business sizes, available anywhere, anytime, on any device.<\/li>\n \t<li>Legally recognized and guaranteed<\/li>\n \t<li>Can be 100% confirmed that it is a genuine document from the agency.<\/li>\n \t<li>Can prevent editing of document data 100%<\/li>\n \t<li>Reduce staff in document management<\/li>\n \t<li>There is no limit on the number of document signatures.<\/li>\n \t<li>There is a system for tracking unsigned documents.<\/li>\n \t<li>Reduce paper<\/li>\n<\/ul>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-725fd16 elementor-widget__width-initial elementor-widget elementor-widget-image\" data-id=\"725fd16\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"image.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<a href=\"https:\/\/fusionwpdev.fusionsol.com\/en\/message-us\/\" target=\"_blank\">\n\t\t\t\t\t\t\t<img loading=\"lazy\" decoding=\"async\" width=\"1024\" height=\"536\" src=\"https:\/\/fusionwpdev.fusionsol.com\/wp-content\/uploads\/sites\/113\/2025\/10\/Free-\u0e17\u0e14\u0e2a\u0e2d\u0e1a\u0e01\u0e32\u0e23\u0e17\u0e33-E-signature-1024x536-1.png\" class=\"attachment-full size-full wp-image-37362\" alt=\"\" srcset=\"https:\/\/fusionwpdev.fusionsol.com\/wp-content\/uploads\/sites\/113\/2025\/10\/Free-\u0e17\u0e14\u0e2a\u0e2d\u0e1a\u0e01\u0e32\u0e23\u0e17\u0e33-E-signature-1024x536-1.png 1024w, https:\/\/fusionwpdev.fusionsol.com\/wp-content\/uploads\/sites\/113\/2025\/10\/Free-\u0e17\u0e14\u0e2a\u0e2d\u0e1a\u0e01\u0e32\u0e23\u0e17\u0e33-E-signature-1024x536-1-300x157.png 300w, https:\/\/fusionwpdev.fusionsol.com\/wp-content\/uploads\/sites\/113\/2025\/10\/Free-\u0e17\u0e14\u0e2a\u0e2d\u0e1a\u0e01\u0e32\u0e23\u0e17\u0e33-E-signature-1024x536-1-768x402.png 768w, https:\/\/fusionwpdev.fusionsol.com\/wp-content\/uploads\/sites\/113\/2025\/10\/Free-\u0e17\u0e14\u0e2a\u0e2d\u0e1a\u0e01\u0e32\u0e23\u0e17\u0e33-E-signature-1024x536-1-18x9.png 18w, https:\/\/fusionwpdev.fusionsol.com\/wp-content\/uploads\/sites\/113\/2025\/10\/Free-\u0e17\u0e14\u0e2a\u0e2d\u0e1a\u0e01\u0e32\u0e23\u0e17\u0e33-E-signature-1024x536-1-600x314.png 600w\" sizes=\"auto, (max-width: 1024px) 100vw, 1024px\" \/>\t\t\t\t\t\t\t\t<\/a>\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-67d329e elementor-widget elementor-widget-video\" data-id=\"67d329e\" data-element_type=\"widget\" data-e-type=\"widget\" data-settings=\"{&quot;youtube_url&quot;:&quot;https:\\\/\\\/www.youtube.com\\\/watch?v=O2BihXGjkYw&quot;,&quot;video_type&quot;:&quot;youtube&quot;,&quot;controls&quot;:&quot;yes&quot;}\" data-widget_type=\"video.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t<div class=\"elementor-wrapper elementor-open-inline\">\n\t\t\t<div class=\"elementor-video\"><\/div>\t\t<\/div>\n\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-20dcb5f elementor-widget elementor-widget-text-editor\" data-id=\"20dcb5f\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<h4 id=\"\u0e15-\u0e27\u0e2d\u0e22-\u0e32\u0e07\u0e01\u0e32\u0e23\u0e43\u0e0a-\u0e07\u0e32\u0e19\" class=\"wp-block-heading\"><strong><span style=\"color: #ff8b00;font-family:Noto sans thai;\">Example of use<\/span><\/strong><\/h4>\n<ul class=\"wp-block-list\">\n \t<li>Insurance contract documents<\/li>\n \t<li>Registration of government agency documents<\/li>\n \t<li>Certificate of Academic Achievement<\/li>\n \t<li>Certified Document<\/li>\n \t<li>E-Tax Invoice<\/li>\n \t<li>E-Receipt<\/li>\n<\/ul>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-acd51ba elementor-widget elementor-widget-video\" data-id=\"acd51ba\" data-element_type=\"widget\" data-e-type=\"widget\" data-settings=\"{&quot;youtube_url&quot;:&quot;https:\\\/\\\/www.youtube.com\\\/watch?v=wOeZOvqvcig&quot;,&quot;video_type&quot;:&quot;youtube&quot;,&quot;controls&quot;:&quot;yes&quot;}\" data-widget_type=\"video.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t<div class=\"elementor-wrapper elementor-open-inline\">\n\t\t\t<div class=\"elementor-video\"><\/div>\t\t<\/div>\n\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-894c939 elementor-widget elementor-widget-text-editor\" data-id=\"894c939\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<h4 id=\"digital-signature-vs-e-signature\" class=\"wp-block-heading\"><strong><span style=\"color: #ff8b00;font-family:rubik\">Digital Signature vs. E-Signature<\/span><\/strong><\/h4>\nElectronic signature and digital signature are often used interchangeably, but the truth is that these two concepts are different. The key difference between the two is that digital signatures are mostly used to secure documents and are authorized by a certifying authority, while electronic signatures are usually associated with contracts that the signer intends to enter into. Further details on the differences between the two are provided below.\n<ul class=\"wp-block-list\">\n \t<li>Digital Signature is not a signature with a pen on a tablet, but rather a CA Stamp data is added to the document.<\/li>\n<\/ul>\n\n<hr class=\"wp-block-separator is-style-dots\" \/>\n\n<figure class=\"wp-block-table\">\n<table class=\"has-background\" style=\"background-color: #e7f5fe;\">\n<tbody>\n<tr>\n<td><strong>Digital Signature<\/strong><\/td>\n<td><strong>Electronic Signature<\/strong><\/td>\n<\/tr>\n<tr>\n<td>Used to secure documents.<\/td>\n<td>Mostly used for document verification.<\/td>\n<\/tr>\n<tr>\n<td>Digital signatures are authorized and controlled by a certification authority.<\/td>\n<td>There is no certifying agency.<\/td>\n<\/tr>\n<tr>\n<td>Includes additional security features<\/td>\n<td>Includes fewer security features<\/td>\n<\/tr>\n<tr>\n<td>Common types of digital signatures use Adobe and Microsoft.<\/td>\n<td>Types of electronic signatures include electronic or scanned signatures.<\/td>\n<\/tr>\n<tr>\n<td>Digital signatures can be verified<\/td>\n<td>Unable to verify electronic signature<\/td>\n<\/tr>\n<tr>\n<td>More than electronic signatures are required due to their high level of validity.<\/td>\n<td>Easy to use but less reliable<\/td>\n<\/tr>\n<tr>\n<td>Particular concerns about document security<\/td>\n<td>Express your intention to sign the contract<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/figure>\n\n<hr class=\"wp-block-separator is-style-dots\" \/>\n\n<h4 id=\"\u0e23-\u0e1b\u0e41\u0e1a\u0e1a\u0e02\u0e2d\u0e07\u0e01\u0e32\u0e23\u0e19\u0e33\u0e44\u0e1b\u0e43\u0e0a-\u0e21-\u0e15-\u0e27\u0e2d\u0e22-\u0e32\u0e07\u0e14-\u0e07\u0e19\" class=\"wp-block-heading\"><strong><span style=\"color: #ff8b00;font-family:Noto sans thai\">Examples of its use are as follows:<\/span><\/strong><\/h4>\n<ul class=\"wp-block-list\">\n \t<li>Economical type, create your own system within the company, such as report summary documents, documents that need to be protected from editing (no legal effect, but can be checked to see if the document is genuine or not)<\/li>\n \t<li>For use between departments and companies, but not requiring legal effect, such as POs sent to suppliers.<\/li>\n \t<li>Legally binding documents such as invoices<\/li>\n \t<li>Issuing academic transcripts from educational institutions. Currently, Chulalongkorn University uses this system.<\/li>\n<\/ul>\n\n<hr class=\"wp-block-separator is-style-dots\" \/>\n\n<h4 id=\"\u0e2a-\u0e27\u0e19\u0e1b\u0e23\u0e30\u0e01\u0e2d\u0e1a\u0e02\u0e2d\u0e07\u0e23\u0e30\u0e1a\u0e1a\" class=\"wp-block-heading\"><strong><span style=\"color: #ff8b00;\">System components<\/span><\/strong><\/h4>\n<ul class=\"wp-block-list\">\n \t<li>The document is in a file format such as PDF.<\/li>\n \t<li>Certificate Authority (CA)\n<ul>\n \t<li>Custom-made<\/li>\n \t<li>Purchase type: In Thailand, you can purchase at CAT.<\/li>\n<\/ul>\n<\/li>\n \t<li>CA Key Storage Devices such as Thales<\/li>\n \t<li>Application for Stamp CA process with document file (Fusion Solution provides development service)<\/li>\n<\/ul>\n\n<hr class=\"wp-block-separator is-style-dots\" \/>\n\n<h4 id=\"\u0e17\u0e32\u0e07\u0e40\u0e25-\u0e2d\u0e01\u0e43\u0e19\u0e01\u0e32\u0e23-implement\" class=\"wp-block-heading\"><strong><span style=\"color: #ff8b00;font-family:Noto sans thai;\">Alternatives to <span style=\"font-family:rubik\">Implement<\/span><\/span><\/strong><\/h4>\n<ul class=\"wp-block-list\">\n \t<li>Using external services: Economical for small amounts of work, such as contract documents, PO documents (DocuSign Solution)<\/li>\n \t<li>Creating your own system within your agency: It can be applied in many ways, suitable for creating digital signatures with various types of documents, such as E-Tax.<\/li>\n \t<li>Choosing an outside company to handle E-Tax is also possible. Currently, there are many agencies that provide specialized services in this area.<\/li>\n<\/ul>\n\n<hr class=\"wp-block-separator is-style-dots\" \/>\n\n<h4 id=\"\u0e09-\u0e19\u0e08\u0e30\u0e17\u0e33\u0e25\u0e32\u0e22\u0e40\u0e0b-\u0e19\u0e14-\u0e08-\u0e17-\u0e25\u0e44\u0e14-\u0e2d\u0e22-\u0e32\u0e07\u0e44\u0e23\" class=\"wp-block-heading\"><strong><span style=\"color: #ff8b00;font-family:Noto sans thai\">How do I make a digital signature?<\/span><\/strong><\/h4>\neSignature providers like DocuSign, which offer solutions utilizing digital signature technology, make digitally signing documents easy. They provide an interface for sending and signing documents online and work with the appropriate certificate issuers to provide reliable digital certificates.\n\nDepending on the certificate issuer you use, you may need to provide specific information. There may also be restrictions on which documents you can send for signing and the order in which you send them. DocuSign's interface will guide you through the process and ensure you meet all these requirements. Once you receive the document for signing via email, you must verify its validity according to the certificate issuer's requirements and then \u201csign\u201d the document by completing the online form.\n\n<hr class=\"wp-block-separator is-style-dots\" \/>\n\n<h4 id=\"pki\" class=\"wp-block-heading translation-block\"><strong><span style=\"color: #ff8b00;font-family:rubik\">What is Public Key Infrastructure (PKI)?<\/span><\/strong><\/h4>\nA public key infrastructure (PKI) is a set of specifications that allows digital signatures to be created (among other things). Each digital signature transaction has a pair of keys: a private key and a public key. The private key, as the name suggests, is never shared and is only used by the signer to sign electronic documents. The public key is available and exposed to anyone who wishes to verify the signer's electronic signature. PKIs enforce additional specifications such as Certificate Authority (CA), digital certificates, end-user registration software, and tools for managing, renewing, and revoking keys and certificates.\n\n<hr class=\"wp-block-separator is-style-dots\" \/>\n\n<h4 id=\"cert\" class=\"wp-block-heading\"><strong><span style=\"color: #ff8b00;font-family:rubik\">Certificate Authority (CA) <span style=\"font-family:Noto sans thai\">What is<\/span><\/span><\/strong><\/h4>\nDigital signatures rely on public and private keys. These keys must be protected for security and to prevent forgery or malicious use. When you send or sign a document, you must ensure that the document and the key were created securely and that the correct key is being used. CAs, a type of trusted provider, are third-party organizations widely recognized as reliable for certifying critical security and capable of providing the necessary digital certificates. Both the entity sending the document and the recipient signing it must agree to use the designated CA.\n\nDocuSign acts as a CA when a signer signs using DocuSign Express. This means you can send documents with digital signatures at any time using DocuSign as the certificate issuer. Alternatively, you can securely create your own CA using the DocuSign Appliance and also gain access to many features of the DocuSign cloud service for transaction management. Some organizations or regions rely on other prominent CAs, and the DocuSign platform supports those as well. These include OpenTrust, widely used in EU countries, and SAFE-BioPharma, a credential that life science organizations might choose to use.\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-f0770d3 elementor-widget elementor-widget-video\" data-id=\"f0770d3\" data-element_type=\"widget\" data-e-type=\"widget\" data-settings=\"{&quot;youtube_url&quot;:&quot;https:\\\/\\\/www.youtube.com\\\/watch?v=DZMfdh0w4cc&quot;,&quot;video_type&quot;:&quot;youtube&quot;,&quot;controls&quot;:&quot;yes&quot;}\" data-widget_type=\"video.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t<div class=\"elementor-wrapper elementor-open-inline\">\n\t\t\t<div class=\"elementor-video\"><\/div>\t\t<\/div>\n\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-bcc7331 elementor-widget elementor-widget-text-editor\" data-id=\"bcc7331\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<h4 id=\"\u0e43\u0e1a\u0e23-\u0e1a\u0e23\u0e2d\u0e07\u0e14-\u0e08-\u0e17-\u0e25\u0e04-\u0e2d\u0e2d\u0e30\u0e44\u0e23\" class=\"wp-block-heading\"><strong><span style=\"color: #ff8b00;font-family:Noto sans thai\">What is a digital certificate?<\/span><\/strong><\/h4>\nA digital certificate is an electronic document issued by a Certificate Authority (CA). It contains the public key for the digital signature and identifiers associated with the key, such as the name of the organization. The certificate is used to verify that the public key belongs to a specific organization. The CA acts as a guarantor. Digital certificates must be issued by a trusted authority and are only valid for a specific time. They must create a digital signature.\n\n<hr class=\"wp-block-separator is-style-dots\" \/>\n\n<h4 id=\"esignatures-\u0e43\u0e0a-\u0e40\u0e17\u0e04\u0e42\u0e19\u0e42\u0e25\u0e22-\u0e25\u0e32\u0e22\u0e40\u0e0b-\u0e19\u0e14-\u0e08-\u0e15\u0e2d\u0e25\u0e1a-\u0e07\u0e04-\u0e1a\u0e43\u0e0a-\u0e15\u0e32\u0e21\u0e01\u0e0e\u0e2b\u0e21\u0e32\u0e22\u0e2b\u0e23-\u0e2d\u0e44\u0e21\" class=\"wp-block-heading\"><strong><span style=\"color: #ff8b00;font-family:Noto sans thai\"><span style=\"font-family:rubik\">eSignatures<\/span> Is digital signature technology legally enforceable?<\/span><\/strong><\/h4>\nYes. The European Union passed the EU Directive for Electronic Signatures in 1999, and the United States passed the Global Electronic Signature Act and the National Commerce Act (ESIGN) in 2000. Both acts govern electronic contracts and legally binding documents such as paper contracts. Since then, the legality of electronic signatures has been altered several times.\n\nTo date, most countries have adopted laws and regulations enacted after the US or the EU, with demand in many regions for the EU-style eSignatures that utilize locally managed digital signature technology. Furthermore, many companies have improved compliance with their industry-specific regulations (e.g., FDA 21 CFR Part 11 in the Life Sciences industry), which they do by using digital signature technology. These country and industry-specific regulations are constantly evolving; a prime example is the recently adopted Electronic Identity and Trust Services (eIDAS) regulation in the European Union.\n\n<hr class=\"wp-block-separator is-style-dots\" \/>\n\n<h4 id=\"\u0e40\u0e2b\u0e15-\u0e43\u0e14\u0e09-\u0e19\u0e08-\u0e07\u0e15-\u0e2d\u0e07\u0e43\u0e0a-\u0e14-\u0e08-\u0e15\u0e2d\u0e25-\u0e0b-\u0e01\u0e40\u0e19\u0e40\u0e08\u0e2d\u0e23\" class=\"wp-block-heading\"><strong><span style=\"color: #ff8b00;font-family:Noto sans thai\">Why should I use a digital signature?<\/span><\/strong><\/h4>\nMany industries and geographic regions have established eSignature standards, which use digital signature technologies, including specific accredited CAs, for business documents. Compliance with these local standards, using PKI technologies and working with trusted certificate authorities, can ensure the enforceability and acceptability of electronic signature solutions in each local market. By using PKI methods, digital signatures use well-understood, internationally standardized technologies that help prevent forgery or alteration of documents after they are signed.\n\n<hr class=\"wp-block-separator is-style-dots\" \/>\n\n<h4 id=\"reference-site\" class=\"wp-block-heading\"><strong><span style=\"color: #ff8b00;font-family:rubik\">Reference Site<\/span><\/strong><\/h4>\n<ul class=\"wp-block-list\">\n \t<li>Bangkok Life Assurance: Policy documents, Purchase Order Confirmation documents<\/li>\n \t<li>Organic Cement: Invoice Document Storage System<\/li>\n \t<li>KFC: Contract Document Storage System<\/li>\n<\/ul>\n\n<hr class=\"wp-block-separator is-style-dots\" \/>\n\n<h4 id=\"\u0e1a\u0e17\u0e04\u0e27\u0e32\u0e21\u0e40\u0e01-\u0e22\u0e27\u0e01-\u0e1a\u0e02-\u0e2d\u0e07\" class=\"wp-block-heading\"><strong><span class=\"has-inline-color font-family:Noto sans thai\">Articles about the issue<\/span><\/strong><\/h4>\n<ul class=\"wp-block-list\">\n \t<li><a href=\"https:\/\/support.office.com\/en-us\/article\/add-or-remove-a-digital-signature-in-office-files-70d26dc9-be10-46f1-8efa-719c8b3f1a2d\">Adding a Digital Signature to an Office Document<\/a><\/li>\n<\/ul>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-b936eff elementor-widget__width-initial elementor-widget elementor-widget-image\" data-id=\"b936eff\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"image.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t\t\t\t<figure class=\"wp-caption\">\n\t\t\t\t\t\t\t\t\t\t<img loading=\"lazy\" decoding=\"async\" width=\"1024\" height=\"508\" src=\"https:\/\/fusionwpdev.fusionsol.com\/wp-content\/uploads\/sites\/113\/2025\/10\/signer-1024x508-1.png\" class=\"attachment-full size-full wp-image-37363\" alt=\"\" srcset=\"https:\/\/fusionwpdev.fusionsol.com\/wp-content\/uploads\/sites\/113\/2025\/10\/signer-1024x508-1.png 1024w, https:\/\/fusionwpdev.fusionsol.com\/wp-content\/uploads\/sites\/113\/2025\/10\/signer-1024x508-1-300x149.png 300w, https:\/\/fusionwpdev.fusionsol.com\/wp-content\/uploads\/sites\/113\/2025\/10\/signer-1024x508-1-768x381.png 768w, https:\/\/fusionwpdev.fusionsol.com\/wp-content\/uploads\/sites\/113\/2025\/10\/signer-1024x508-1-18x9.png 18w, https:\/\/fusionwpdev.fusionsol.com\/wp-content\/uploads\/sites\/113\/2025\/10\/signer-1024x508-1-600x298.png 600w\" sizes=\"auto, (max-width: 1024px) 100vw, 1024px\" \/>\t\t\t\t\t\t\t\t\t\t\t<figcaption class=\"widget-image-caption wp-caption-text\">digital signature<\/figcaption>\n\t\t\t\t\t\t\t\t\t\t<\/figure>\n\t\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-0572ceb elementor-widget elementor-widget-text-editor\" data-id=\"0572ceb\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<h4 id=\"\u0e04\u0e33\u0e16\u0e32\u0e21\u0e40\u0e01-\u0e22\u0e27\u0e17-\u0e1e\u0e1a\u0e1a-\u0e2d\u0e22\" class=\"wp-block-heading\"><strong><span style=\"color: #ff8b00;\">Frequently asked questions<\/span><\/strong><\/h4>\n<ul class=\"wp-block-list\">\n<li><strong>We can do R<\/strong>own<strong>\u00a0Can it be done within the company itself?<\/strong>\n<ul>\n<li>It can be done if we follow the established standards.<\/li>\n<li>But what we need to be careful about is that after we get the CA, we need to keep it in a safe place so that it cannot be misused.<\/li>\n<\/ul>\n<\/li>\n<li><strong>If we want to do the first step that we need to do<\/strong>\n<ul>\n<li>We need to register to request the company's CA first.<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<blockquote class=\"wp-block-quote is-layout-flow wp-block-quote-is-layout-flow\">\n<p><strong>Related content<\/strong><\/p>\n<\/blockquote>\n<ul class=\"wp-block-list\">\n<li class=\"translation-block\"><strong><span class=\"has-inline-color has-accent-color\"><em>Digital Signature<\/em> is<span><\/strong><\/li>\n<li><a href=\"https:\/\/www.savemak.com\/product-category\/digital-signature\/docusign\/\">License DocuSign<\/a><\/li>\n<li><a href=\"https:\/\/fusionwpdev.fusionsol.com\/en\/e-signature-%e0%b9%81%e0%b8%a5%e0%b8%b0%e0%b9%80%e0%b8%ad%e0%b8%81%e0%b8%aa%e0%b8%b2%e0%b8%a3%e0%b9%83%e0%b8%99%e0%b8%a2%e0%b8%b8%e0%b8%84%e0%b8%94%e0%b8%b4%e0%b8%88%e0%b8%b4%e0%b8%97%e0%b8%b1\/\">Credibility<\/a><\/li>\n<li><a href=\"https:\/\/fusionwpdev.fusionsol.com\/en\/blog\/%e0%b8%81%e0%b8%b2%e0%b8%a3%e0%b8%88%e0%b8%b1%e0%b8%94%e0%b8%81%e0%b8%b2%e0%b8%a3%e0%b9%80%e0%b8%ad%e0%b8%81%e0%b8%aa%e0%b8%b2%e0%b8%a3%e0%b8%94%e0%b9%89%e0%b8%a7%e0%b8%a2-digital-signature\/\" target=\"_blank\" rel=\"noreferrer noopener\">Document management for each type<\/a><\/li>\n<\/ul>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-52e910b elementor-widget__width-initial elementor-widget elementor-widget-image\" data-id=\"52e910b\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"image.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t\t\t\t<figure class=\"wp-caption\">\n\t\t\t\t\t\t\t\t\t\t<img loading=\"lazy\" decoding=\"async\" width=\"1024\" height=\"441\" src=\"https:\/\/fusionwpdev.fusionsol.com\/wp-content\/uploads\/sites\/113\/2025\/10\/DocuSign-Cloud-Service-1024x441-1.png\" class=\"attachment-full size-full wp-image-37364\" alt=\"\" srcset=\"https:\/\/fusionwpdev.fusionsol.com\/wp-content\/uploads\/sites\/113\/2025\/10\/DocuSign-Cloud-Service-1024x441-1.png 1024w, https:\/\/fusionwpdev.fusionsol.com\/wp-content\/uploads\/sites\/113\/2025\/10\/DocuSign-Cloud-Service-1024x441-1-300x129.png 300w, https:\/\/fusionwpdev.fusionsol.com\/wp-content\/uploads\/sites\/113\/2025\/10\/DocuSign-Cloud-Service-1024x441-1-768x331.png 768w, https:\/\/fusionwpdev.fusionsol.com\/wp-content\/uploads\/sites\/113\/2025\/10\/DocuSign-Cloud-Service-1024x441-1-18x8.png 18w, https:\/\/fusionwpdev.fusionsol.com\/wp-content\/uploads\/sites\/113\/2025\/10\/DocuSign-Cloud-Service-1024x441-1-600x258.png 600w\" sizes=\"auto, (max-width: 1024px) 100vw, 1024px\" \/>\t\t\t\t\t\t\t\t\t\t\t<figcaption class=\"widget-image-caption wp-caption-text\">DocuSign Service<\/figcaption>\n\t\t\t\t\t\t\t\t\t\t<\/figure>\n\t\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-3c6af9c elementor-widget__width-initial elementor-widget elementor-widget-image\" data-id=\"3c6af9c\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"image.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t\t\t\t<figure class=\"wp-caption\">\n\t\t\t\t\t\t\t\t\t\t\t<a href=\"https:\/\/fusionwpdev.fusionsol.com\/en\/message-us\/\" target=\"_blank\">\n\t\t\t\t\t\t\t<img loading=\"lazy\" decoding=\"async\" width=\"1024\" height=\"512\" src=\"https:\/\/fusionwpdev.fusionsol.com\/wp-content\/uploads\/sites\/113\/2025\/10\/contact-us-Banner-1024x512-1.jpg\" class=\"attachment-full size-full wp-image-37365\" alt=\"\" srcset=\"https:\/\/fusionwpdev.fusionsol.com\/wp-content\/uploads\/sites\/113\/2025\/10\/contact-us-Banner-1024x512-1.jpg 1024w, https:\/\/fusionwpdev.fusionsol.com\/wp-content\/uploads\/sites\/113\/2025\/10\/contact-us-Banner-1024x512-1-300x150.jpg 300w, https:\/\/fusionwpdev.fusionsol.com\/wp-content\/uploads\/sites\/113\/2025\/10\/contact-us-Banner-1024x512-1-768x384.jpg 768w, https:\/\/fusionwpdev.fusionsol.com\/wp-content\/uploads\/sites\/113\/2025\/10\/contact-us-Banner-1024x512-1-18x9.jpg 18w, https:\/\/fusionwpdev.fusionsol.com\/wp-content\/uploads\/sites\/113\/2025\/10\/contact-us-Banner-1024x512-1-600x300.jpg 600w\" sizes=\"auto, (max-width: 1024px) 100vw, 1024px\" \/>\t\t\t\t\t\t\t\t<\/a>\n\t\t\t\t\t\t\t\t\t\t\t<figcaption class=\"widget-image-caption wp-caption-text\"> Contact us<\/figcaption>\n\t\t\t\t\t\t\t\t\t\t<\/figure>\n\t\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>","protected":false},"excerpt":{"rendered":"<p>Digital E Signature\u00a0| Veracity Fusion Solution \u0e43\u0e2b\u0e49\u0e1a\u0e23\u0e34\u0e01\u0e32\u0e23\u0e1e\u0e31\u0e12\u0e19\u0e32\u00a0Implement Digital Signature\u00a0\u0e41\u0e25\u0e30 DocuSign \u0e42\u0e14\u0e22\u0e23\u0e30\u0e1a\u0e1a\u0e2a\u0e32\u0e21\u0e32\u0e23\u0e16\u0e40\u0e0a\u0e37\u0e48\u0e2d\u0e21\u0e42\u0e22\u0e07\u0e01\u0e31\u0e1a\u0e23\u0e30\u0e1a\u0e1a Work Flow \u0e17\u0e33\u0e43\u0e2b\u0e49\u0e2a\u0e32\u0e21\u0e32\u0e23\u0e16\u0e17\u0e33\u0e07\u0e32\u0e19\u0e44\u0e14\u0e49\u0e41\u0e1a\u0e1a Automatic \u0e40\u0e0a\u0e48\u0e19 \u0e01\u0e23\u0e30\u0e1a\u0e27\u0e19\u0e01\u0e32\u0e23\u0e2d\u0e2d\u0e01 PO \u0e43\u0e2b\u0e49 Supplier \u0e42\u0e14\u0e22\u0e23\u0e30\u0e1a\u0e1a\u0e08\u0e30\u0e17\u0e33\u0e01\u0e32\u0e23\u0e2a\u0e48\u0e07 Mail \u0e40\u0e2d\u0e01\u0e2a\u0e32\u0e23\u0e17\u0e35\u0e48\u0e25\u0e07 \u0e14\u0e34\u0e08\u0e34\u0e15\u0e2d\u0e25 \u0e0b\u0e34\u0e01\u0e40\u0e19\u0e40\u0e08\u0e2d\u0e23\u0e4c \u0e2a\u0e48\u0e07\u0e16\u0e36\u0e07 Supplier \u0e42\u0e14\u0e22\u0e15\u0e23\u0e07 \u0e40\u0e2d\u0e01\u0e2a\u0e32\u0e23\u0e17\u0e35\u0e48\u0e2d\u0e2d\u0e01\u0e08\u0e32\u0e01\u0e23\u0e30\u0e1a\u0e1a\u0e08\u0e30\u0e21\u0e35\u0e1c\u0e25\u0e17\u0e32\u0e07\u0e01\u0e0e\u0e2b\u0e21\u0e32\u0e22 \u0e01\u0e32\u0e23\u0e43\u0e0a\u0e49\u0e07\u0e32\u0e19 \u0e14\u0e34\u0e08\u0e34\u0e15\u0e2d\u0e25 \u0e0b\u0e34\u0e01\u0e40\u0e19\u0e40\u0e08\u0e2d\u0e23\u0e4c \u0e40\u0e23\u0e34\u0e48\u0e21\u0e21\u0e35\u0e23\u0e30\u0e40\u0e1a\u0e35\u0e22\u0e1a\u0e01\u0e32\u0e23\u0e43\u0e0a\u0e49\u0e07\u0e32\u0e19\u0e43\u0e19\u0e2b\u0e25\u0e32\u0e22\u0e2b\u0e19\u0e48\u0e27\u0e22\u0e07\u0e32\u0e19 \u0e40\u0e0a\u0e48\u0e19 \u0e02\u0e2d\u0e07\u0e01\u0e23\u0e21\u0e2a\u0e23\u0e23\u0e1e\u0e2a\u0e32\u0e21\u0e34\u0e15 \u0e41\u0e25\u0e30 \u0e43\u0e19\u0e02\u0e31\u0e49\u0e19\u0e15\u0e2d\u0e19\u0e01\u0e32\u0e23\u0e17\u0e33\u0e07\u0e32\u0e19\u0e02\u0e2d\u0e07\u0e18\u0e19\u0e32\u0e04\u0e32\u0e23 \u0e0b\u0e36\u0e48\u0e07\u0e43\u0e19\u0e2d\u0e19\u0e32\u0e04\u0e15 \u0e44\u0e21\u0e48\u0e40\u0e01\u0e34\u0e19\u0e1b\u0e35 2565 \u0e01\u0e32\u0e23\u0e40\u0e1b\u0e34\u0e14\u0e1a\u0e31\u0e0d\u0e0a\u0e35 \u0e2b\u0e23\u0e37\u0e2d \u0e01\u0e32\u0e23\u0e01\u0e39\u0e49\u0e40\u0e07\u0e34\u0e19\u0e01\u0e47\u0e08\u0e30\u0e40\u0e1b\u0e25\u0e35\u0e48\u0e22\u0e19\u0e08\u0e32\u0e01\u0e01\u0e32\u0e23\u0e22\u0e37\u0e48\u0e19\u0e40\u0e2d\u0e01\u0e2a\u0e32\u0e23\u0e21\u0e32\u0e43\u0e0a\u0e49 \u0e40\u0e1b\u0e47\u0e19 Electronic + Digital Signature \u0e40\u0e1b\u0e47\u0e19\u0e15\u0e31\u0e27\u0e2a\u0e23\u0e49\u0e32\u0e07\u0e04\u0e27\u0e32\u0e21\u0e19\u0e48\u0e32\u0e40\u0e0a\u0e37\u0e48\u0e2d\u0e16\u0e37\u0e2d\u0e41\u0e17\u0e19 \u0e01\u0e32\u0e23\u0e2a\u0e23\u0e49\u0e32\u0e07\u00a0\u0e14\u0e34\u0e08\u0e34\u0e15\u0e2d\u0e25 \u0e0b\u0e34\u0e01\u0e40\u0e19\u0e40\u0e08\u0e2d\u0e23\u0e4c \u0e44\u0e14\u0e49\u0e23\u0e31\u0e1a\u0e01\u0e32\u0e23\u0e22\u0e2d\u0e21\u0e23\u0e31\u0e1a\u0e41\u0e25\u0e49\u0e27\u0e27\u0e48\u0e32\u0e2a\u0e32\u0e21\u0e32\u0e23\u0e16\u0e43\u0e0a\u0e49\u0e44\u0e14\u0e49\u0e42\u0e14\u0e22\u0e21\u0e35\u0e1c\u0e25\u0e17\u0e32\u0e07\u0e01\u0e0e\u0e2b\u0e21\u0e32\u0e22\u0e14\u0e31\u0e07\u0e19\u0e31\u0e49\u0e19\u0e1b\u0e31\u0e08\u0e08\u0e38\u0e1a\u0e31\u0e19\u0e08\u0e36\u0e07\u0e40\u0e23\u0e34\u0e48\u0e21\u0e21\u0e35\u0e01\u0e32\u0e23 Implement \u0e43\u0e0a\u0e49\u0e07\u0e32\u0e19\u0e08\u0e23\u0e34\u0e07\u0e41\u0e17\u0e19\u0e01\u0e32\u0e23\u0e40\u0e0b\u0e47\u0e19\u0e15\u0e4c\u0e40\u0e2d\u0e01\u0e2a\u0e32\u0e23\u0e17\u0e35\u0e48\u0e40\u0e1b\u0e47\u0e19\u0e01\u0e23\u0e30\u0e14\u0e32\u0e29\u0e41\u0e25\u0e49\u0e27\u0e43\u0e19\u0e2b\u0e25\u0e32\u0e22\u0e18\u0e38\u0e23\u0e01\u0e34\u0e08 \u0e40\u0e0a\u0e48\u0e19&hellip;<\/p>","protected":false},"author":3,"featured_media":0,"parent":1800,"menu_order":0,"comment_status":"closed","ping_status":"closed","template":"","meta":{"footnotes":""},"class_list":["post-5550","page","type-page","status-publish","hentry"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v28.2 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>Design and Implement Digital E Signature Invoice PO Contract<\/title>\n<meta name=\"description\" content=\"Design and Implement E Signature. Fusion Solution \u0e43\u0e2b\u0e49\u0e1a\u0e23\u0e34\u0e01\u0e32\u0e23\u0e1e\u0e31\u0e12\u0e19\u0e32\u0e41\u0e25\u0e30\u0e2d\u0e2d\u0e01\u0e41\u0e1a\u0e1a \u0e23\u0e30\u0e1a\u0e1a Digital Signature \u0e2a\u0e33\u0e2b\u0e23\u0e31\u0e1a\u0e40\u0e2d\u0e01\u0e2a\u0e32\u0e23\u0e2a\u0e31\u0e0d\u0e0d\u0e32 PO Invoice \u0e2d\u0e37\u0e48\u0e19\u0e46\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/fusionwpdev.fusionsol.com\/en\/products\/digital-signature-solution\/\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Design and Implement Digital E Signature Invoice PO Contract\" \/>\n<meta property=\"og:description\" content=\"Design and Implement E Signature. 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