{"id":2743,"date":"2025-12-30T06:45:00","date_gmt":"2025-12-30T06:45:00","guid":{"rendered":"https:\/\/cssi.com\/gp\/?p=2743"},"modified":"2025-12-02T14:46:07","modified_gmt":"2025-12-02T14:46:07","slug":"how-to-verify-vendor-tax-ids-and-employee-social-security-numbers-in-gp","status":"publish","type":"post","link":"https:\/\/cssi.com\/gp\/2025\/12\/30\/how-to-verify-vendor-tax-ids-and-employee-social-security-numbers-in-gp\/","title":{"rendered":"How to Verify Vendor Tax ID\u2019s and Employee Social Security Numbers in GP"},"content":{"rendered":"\n<h2 class=\"wp-block-heading\">Verifying Vendor Tax ID&#8217;s &amp; Employee Social Security Numbers<\/h2>\n\n\n\n<p>This is not exclusively for GP users but a helpful tip for anyone who files 1099 and W-2 forms. The IRS and the Social Security Administration (SSA) both offer free online tools for taxpayers (payers\/employers) to validate taxpayer identification numbers and social security numbers.<\/p>\n\n\n\n<p>You can access these tools from the IRS website below.<\/p>\n\n\n\n<p><a href=\"https:\/\/www.irs.gov\/government-entities\/federal-state-local-governments\/taxpayer-identification-number-tin-matching-tools\">Taxpayer identification number (TIN) matching tools | Internal Revenue Service<\/a><\/p>\n\n\n\n<p><strong>Why This Matters: Risks of Not Verifying Payee Data<\/strong><\/p>\n\n\n\n<p>Without proper verification:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Names and TINs may not match IRS\/SSA records, triggering backup withholding, filing rejects or errors, or penalties.<\/li>\n\n\n\n<li>Employees might not get correct credit for their earnings if W-2s are wrong (wrong SSN\/name).<\/li>\n\n\n\n<li>You may need to file corrections (e.g., 1099-Corr, W-2c), which is time-consuming, and potentially subject you to late-filing penalties.<\/li>\n<\/ul>\n\n\n\n<h2 class=\"wp-block-heading\">Need GP Support?<\/h2>\n\n\n\n<p>If you need help with GP, <a href=\"https:\/\/cssi.com\/gp\/contact\/\">please contact the GP experts at CSSI Technologies<\/a>. We&#8217;d be glad to help with general GP support, upgrades, and report creation.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Verifying Vendor Tax ID&#8217;s &amp; Employee Social Security Numbers This is not exclusively for GP users but a helpful tip for anyone who files 1099 and W-2 forms. The IRS and the Social Security Administration (SSA) both offer free online tools for taxpayers (payers\/employers) to validate taxpayer identification numbers and.<\/p>\n","protected":false},"author":4,"featured_media":2744,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"content-type":"","footnotes":""},"categories":[8],"tags":[229,27],"class_list":["post-2743","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-blog","tag-gp-tips","tag-microsoft-gp"],"acf":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v27.4 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>How to Verify Vendor Tax ID\u2019s and Employee Social Security Numbers in GP - Dynamics GP Support in PA - CSSI Technologies LLC<\/title>\n<meta name=\"description\" content=\"The IRS and Social Security Administration both offer free online tools for taxpayers (payers\/employers) to validate taxpayer ID&#039;s and SSN&#039;s.\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/cssi.com\/gp\/2025\/12\/30\/how-to-verify-vendor-tax-ids-and-employee-social-security-numbers-in-gp\/\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"How to Verify Vendor Tax ID\u2019s and Employee Social Security Numbers in GP - Dynamics GP Support in PA - CSSI Technologies LLC\" \/>\n<meta property=\"og:description\" content=\"The IRS and Social Security Administration both offer free online tools for taxpayers (payers\/employers) to validate taxpayer ID&#039;s and SSN&#039;s.\" \/>\n<meta property=\"og:url\" content=\"https:\/\/cssi.com\/gp\/2025\/12\/30\/how-to-verify-vendor-tax-ids-and-employee-social-security-numbers-in-gp\/\" \/>\n<meta property=\"og:site_name\" content=\"Dynamics GP Support in PA - CSSI Technologies LLC\" \/>\n<meta property=\"article:published_time\" content=\"2025-12-30T06:45:00+00:00\" \/>\n<meta property=\"og:image\" content=\"https:\/\/cssi.com\/gp\/wp-content\/uploads\/sites\/2\/2025\/12\/GP-Tips-Verify-Vendor-tax-ids.jpg\" \/>\n\t<meta property=\"og:image:width\" content=\"1500\" \/>\n\t<meta property=\"og:image:height\" content=\"1000\" \/>\n\t<meta property=\"og:image:type\" content=\"image\/jpeg\" \/>\n<meta name=\"author\" content=\"jtosolt\" \/>\n<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n<meta name=\"twitter:creator\" content=\"@jtosolt@cssi.com\" \/>\n<meta name=\"twitter:label1\" content=\"Written by\" \/>\n\t<meta name=\"twitter:data1\" content=\"jtosolt\" \/>\n\t<meta name=\"twitter:label2\" content=\"Est. reading time\" \/>\n\t<meta name=\"twitter:data2\" content=\"1 minute\" \/>\n<script type=\"application\/ld+json\" class=\"yoast-schema-graph\">{\"@context\":\"https:\\\/\\\/schema.org\",\"@graph\":[{\"@type\":\"Article\",\"@id\":\"https:\\\/\\\/cssi.com\\\/gp\\\/2025\\\/12\\\/30\\\/how-to-verify-vendor-tax-ids-and-employee-social-security-numbers-in-gp\\\/#article\",\"isPartOf\":{\"@id\":\"https:\\\/\\\/cssi.com\\\/gp\\\/2025\\\/12\\\/30\\\/how-to-verify-vendor-tax-ids-and-employee-social-security-numbers-in-gp\\\/\"},\"author\":{\"name\":\"jtosolt\",\"@id\":\"https:\\\/\\\/cssi.com\\\/gp\\\/#\\\/schema\\\/person\\\/2af2cbcbd389a279188e6b4608ddb4db\"},\"headline\":\"How to Verify Vendor Tax ID\u2019s and Employee Social Security Numbers in GP\",\"datePublished\":\"2025-12-30T06:45:00+00:00\",\"mainEntityOfPage\":{\"@id\":\"https:\\\/\\\/cssi.com\\\/gp\\\/2025\\\/12\\\/30\\\/how-to-verify-vendor-tax-ids-and-employee-social-security-numbers-in-gp\\\/\"},\"wordCount\":186,\"commentCount\":0,\"image\":{\"@id\":\"https:\\\/\\\/cssi.com\\\/gp\\\/2025\\\/12\\\/30\\\/how-to-verify-vendor-tax-ids-and-employee-social-security-numbers-in-gp\\\/#primaryimage\"},\"thumbnailUrl\":\"https:\\\/\\\/cssi.com\\\/gp\\\/wp-content\\\/uploads\\\/sites\\\/2\\\/2025\\\/12\\\/GP-Tips-Verify-Vendor-tax-ids.jpg\",\"keywords\":[\"gp tips\",\"Microsoft GP\"],\"articleSection\":[\"blog\"],\"inLanguage\":\"en-US\",\"potentialAction\":[{\"@type\":\"CommentAction\",\"name\":\"Comment\",\"target\":[\"https:\\\/\\\/cssi.com\\\/gp\\\/2025\\\/12\\\/30\\\/how-to-verify-vendor-tax-ids-and-employee-social-security-numbers-in-gp\\\/#respond\"]}]},{\"@type\":\"WebPage\",\"@id\":\"https:\\\/\\\/cssi.com\\\/gp\\\/2025\\\/12\\\/30\\\/how-to-verify-vendor-tax-ids-and-employee-social-security-numbers-in-gp\\\/\",\"url\":\"https:\\\/\\\/cssi.com\\\/gp\\\/2025\\\/12\\\/30\\\/how-to-verify-vendor-tax-ids-and-employee-social-security-numbers-in-gp\\\/\",\"name\":\"How to Verify Vendor Tax ID\u2019s and Employee Social Security Numbers in GP - Dynamics GP Support in PA - CSSI Technologies LLC\",\"isPartOf\":{\"@id\":\"https:\\\/\\\/cssi.com\\\/gp\\\/#website\"},\"primaryImageOfPage\":{\"@id\":\"https:\\\/\\\/cssi.com\\\/gp\\\/2025\\\/12\\\/30\\\/how-to-verify-vendor-tax-ids-and-employee-social-security-numbers-in-gp\\\/#primaryimage\"},\"image\":{\"@id\":\"https:\\\/\\\/cssi.com\\\/gp\\\/2025\\\/12\\\/30\\\/how-to-verify-vendor-tax-ids-and-employee-social-security-numbers-in-gp\\\/#primaryimage\"},\"thumbnailUrl\":\"https:\\\/\\\/cssi.com\\\/gp\\\/wp-content\\\/uploads\\\/sites\\\/2\\\/2025\\\/12\\\/GP-Tips-Verify-Vendor-tax-ids.jpg\",\"datePublished\":\"2025-12-30T06:45:00+00:00\",\"author\":{\"@id\":\"https:\\\/\\\/cssi.com\\\/gp\\\/#\\\/schema\\\/person\\\/2af2cbcbd389a279188e6b4608ddb4db\"},\"description\":\"The IRS and Social Security Administration both offer free online tools for taxpayers (payers\\\/employers) to validate taxpayer ID's and SSN's.\",\"breadcrumb\":{\"@id\":\"https:\\\/\\\/cssi.com\\\/gp\\\/2025\\\/12\\\/30\\\/how-to-verify-vendor-tax-ids-and-employee-social-security-numbers-in-gp\\\/#breadcrumb\"},\"inLanguage\":\"en-US\",\"potentialAction\":[{\"@type\":\"ReadAction\",\"target\":[\"https:\\\/\\\/cssi.com\\\/gp\\\/2025\\\/12\\\/30\\\/how-to-verify-vendor-tax-ids-and-employee-social-security-numbers-in-gp\\\/\"]}]},{\"@type\":\"ImageObject\",\"inLanguage\":\"en-US\",\"@id\":\"https:\\\/\\\/cssi.com\\\/gp\\\/2025\\\/12\\\/30\\\/how-to-verify-vendor-tax-ids-and-employee-social-security-numbers-in-gp\\\/#primaryimage\",\"url\":\"https:\\\/\\\/cssi.com\\\/gp\\\/wp-content\\\/uploads\\\/sites\\\/2\\\/2025\\\/12\\\/GP-Tips-Verify-Vendor-tax-ids.jpg\",\"contentUrl\":\"https:\\\/\\\/cssi.com\\\/gp\\\/wp-content\\\/uploads\\\/sites\\\/2\\\/2025\\\/12\\\/GP-Tips-Verify-Vendor-tax-ids.jpg\",\"width\":1500,\"height\":1000,\"caption\":\"GP Tips - Verify Vendor tax ids\"},{\"@type\":\"BreadcrumbList\",\"@id\":\"https:\\\/\\\/cssi.com\\\/gp\\\/2025\\\/12\\\/30\\\/how-to-verify-vendor-tax-ids-and-employee-social-security-numbers-in-gp\\\/#breadcrumb\",\"itemListElement\":[{\"@type\":\"ListItem\",\"position\":1,\"name\":\"Home\",\"item\":\"https:\\\/\\\/cssi.com\\\/gp\\\/\"},{\"@type\":\"ListItem\",\"position\":2,\"name\":\"How to Verify Vendor Tax ID\u2019s and Employee Social Security Numbers in GP\"}]},{\"@type\":\"WebSite\",\"@id\":\"https:\\\/\\\/cssi.com\\\/gp\\\/#website\",\"url\":\"https:\\\/\\\/cssi.com\\\/gp\\\/\",\"name\":\"Dynamics GP Support in PA - CSSI Technologies LLC\",\"description\":\"\",\"potentialAction\":[{\"@type\":\"SearchAction\",\"target\":{\"@type\":\"EntryPoint\",\"urlTemplate\":\"https:\\\/\\\/cssi.com\\\/gp\\\/?s={search_term_string}\"},\"query-input\":{\"@type\":\"PropertyValueSpecification\",\"valueRequired\":true,\"valueName\":\"search_term_string\"}}],\"inLanguage\":\"en-US\"},{\"@type\":\"Person\",\"@id\":\"https:\\\/\\\/cssi.com\\\/gp\\\/#\\\/schema\\\/person\\\/2af2cbcbd389a279188e6b4608ddb4db\",\"name\":\"jtosolt\",\"image\":{\"@type\":\"ImageObject\",\"inLanguage\":\"en-US\",\"@id\":\"https:\\\/\\\/secure.gravatar.com\\\/avatar\\\/6322382d65cc71df3e9c204b08e5722e704d53b70cbd527b85c7cb3a758a3d3d?s=96&d=mm&r=g\",\"url\":\"https:\\\/\\\/secure.gravatar.com\\\/avatar\\\/6322382d65cc71df3e9c204b08e5722e704d53b70cbd527b85c7cb3a758a3d3d?s=96&d=mm&r=g\",\"contentUrl\":\"https:\\\/\\\/secure.gravatar.com\\\/avatar\\\/6322382d65cc71df3e9c204b08e5722e704d53b70cbd527b85c7cb3a758a3d3d?s=96&d=mm&r=g\",\"caption\":\"jtosolt\"},\"sameAs\":[\"https:\\\/\\\/x.com\\\/jtosolt@cssi.com\"],\"url\":\"https:\\\/\\\/cssi.com\\\/gp\\\/author\\\/jtosolt\\\/\"}]}<\/script>\n<!-- \/ Yoast SEO plugin. -->","yoast_head_json":{"title":"How to Verify Vendor Tax ID\u2019s and Employee Social Security Numbers in GP - Dynamics GP Support in PA - CSSI Technologies LLC","description":"The IRS and Social Security Administration both offer free online tools for taxpayers (payers\/employers) to validate taxpayer ID's and SSN's.","robots":{"index":"index","follow":"follow","max-snippet":"max-snippet:-1","max-image-preview":"max-image-preview:large","max-video-preview":"max-video-preview:-1"},"canonical":"https:\/\/cssi.com\/gp\/2025\/12\/30\/how-to-verify-vendor-tax-ids-and-employee-social-security-numbers-in-gp\/","og_locale":"en_US","og_type":"article","og_title":"How to Verify Vendor Tax ID\u2019s and Employee Social Security Numbers in GP - Dynamics GP Support in PA - CSSI Technologies LLC","og_description":"The IRS and Social Security Administration both offer free online tools for taxpayers (payers\/employers) to validate taxpayer ID's and SSN's.","og_url":"https:\/\/cssi.com\/gp\/2025\/12\/30\/how-to-verify-vendor-tax-ids-and-employee-social-security-numbers-in-gp\/","og_site_name":"Dynamics GP Support in PA - CSSI Technologies LLC","article_published_time":"2025-12-30T06:45:00+00:00","og_image":[{"width":1500,"height":1000,"url":"https:\/\/cssi.com\/gp\/wp-content\/uploads\/sites\/2\/2025\/12\/GP-Tips-Verify-Vendor-tax-ids.jpg","type":"image\/jpeg"}],"author":"jtosolt","twitter_card":"summary_large_image","twitter_creator":"@jtosolt@cssi.com","twitter_misc":{"Written by":"jtosolt","Est. reading time":"1 minute"},"schema":{"@context":"https:\/\/schema.org","@graph":[{"@type":"Article","@id":"https:\/\/cssi.com\/gp\/2025\/12\/30\/how-to-verify-vendor-tax-ids-and-employee-social-security-numbers-in-gp\/#article","isPartOf":{"@id":"https:\/\/cssi.com\/gp\/2025\/12\/30\/how-to-verify-vendor-tax-ids-and-employee-social-security-numbers-in-gp\/"},"author":{"name":"jtosolt","@id":"https:\/\/cssi.com\/gp\/#\/schema\/person\/2af2cbcbd389a279188e6b4608ddb4db"},"headline":"How to Verify Vendor Tax ID\u2019s and Employee Social Security Numbers in GP","datePublished":"2025-12-30T06:45:00+00:00","mainEntityOfPage":{"@id":"https:\/\/cssi.com\/gp\/2025\/12\/30\/how-to-verify-vendor-tax-ids-and-employee-social-security-numbers-in-gp\/"},"wordCount":186,"commentCount":0,"image":{"@id":"https:\/\/cssi.com\/gp\/2025\/12\/30\/how-to-verify-vendor-tax-ids-and-employee-social-security-numbers-in-gp\/#primaryimage"},"thumbnailUrl":"https:\/\/cssi.com\/gp\/wp-content\/uploads\/sites\/2\/2025\/12\/GP-Tips-Verify-Vendor-tax-ids.jpg","keywords":["gp tips","Microsoft GP"],"articleSection":["blog"],"inLanguage":"en-US","potentialAction":[{"@type":"CommentAction","name":"Comment","target":["https:\/\/cssi.com\/gp\/2025\/12\/30\/how-to-verify-vendor-tax-ids-and-employee-social-security-numbers-in-gp\/#respond"]}]},{"@type":"WebPage","@id":"https:\/\/cssi.com\/gp\/2025\/12\/30\/how-to-verify-vendor-tax-ids-and-employee-social-security-numbers-in-gp\/","url":"https:\/\/cssi.com\/gp\/2025\/12\/30\/how-to-verify-vendor-tax-ids-and-employee-social-security-numbers-in-gp\/","name":"How to Verify Vendor Tax ID\u2019s and Employee Social Security Numbers in GP - Dynamics GP Support in PA - CSSI Technologies LLC","isPartOf":{"@id":"https:\/\/cssi.com\/gp\/#website"},"primaryImageOfPage":{"@id":"https:\/\/cssi.com\/gp\/2025\/12\/30\/how-to-verify-vendor-tax-ids-and-employee-social-security-numbers-in-gp\/#primaryimage"},"image":{"@id":"https:\/\/cssi.com\/gp\/2025\/12\/30\/how-to-verify-vendor-tax-ids-and-employee-social-security-numbers-in-gp\/#primaryimage"},"thumbnailUrl":"https:\/\/cssi.com\/gp\/wp-content\/uploads\/sites\/2\/2025\/12\/GP-Tips-Verify-Vendor-tax-ids.jpg","datePublished":"2025-12-30T06:45:00+00:00","author":{"@id":"https:\/\/cssi.com\/gp\/#\/schema\/person\/2af2cbcbd389a279188e6b4608ddb4db"},"description":"The IRS and Social Security Administration both offer free online tools for taxpayers (payers\/employers) to validate taxpayer ID's and SSN's.","breadcrumb":{"@id":"https:\/\/cssi.com\/gp\/2025\/12\/30\/how-to-verify-vendor-tax-ids-and-employee-social-security-numbers-in-gp\/#breadcrumb"},"inLanguage":"en-US","potentialAction":[{"@type":"ReadAction","target":["https:\/\/cssi.com\/gp\/2025\/12\/30\/how-to-verify-vendor-tax-ids-and-employee-social-security-numbers-in-gp\/"]}]},{"@type":"ImageObject","inLanguage":"en-US","@id":"https:\/\/cssi.com\/gp\/2025\/12\/30\/how-to-verify-vendor-tax-ids-and-employee-social-security-numbers-in-gp\/#primaryimage","url":"https:\/\/cssi.com\/gp\/wp-content\/uploads\/sites\/2\/2025\/12\/GP-Tips-Verify-Vendor-tax-ids.jpg","contentUrl":"https:\/\/cssi.com\/gp\/wp-content\/uploads\/sites\/2\/2025\/12\/GP-Tips-Verify-Vendor-tax-ids.jpg","width":1500,"height":1000,"caption":"GP Tips - Verify Vendor tax ids"},{"@type":"BreadcrumbList","@id":"https:\/\/cssi.com\/gp\/2025\/12\/30\/how-to-verify-vendor-tax-ids-and-employee-social-security-numbers-in-gp\/#breadcrumb","itemListElement":[{"@type":"ListItem","position":1,"name":"Home","item":"https:\/\/cssi.com\/gp\/"},{"@type":"ListItem","position":2,"name":"How to Verify Vendor Tax ID\u2019s and Employee Social Security Numbers in GP"}]},{"@type":"WebSite","@id":"https:\/\/cssi.com\/gp\/#website","url":"https:\/\/cssi.com\/gp\/","name":"Dynamics GP Support in PA - CSSI Technologies LLC","description":"","potentialAction":[{"@type":"SearchAction","target":{"@type":"EntryPoint","urlTemplate":"https:\/\/cssi.com\/gp\/?s={search_term_string}"},"query-input":{"@type":"PropertyValueSpecification","valueRequired":true,"valueName":"search_term_string"}}],"inLanguage":"en-US"},{"@type":"Person","@id":"https:\/\/cssi.com\/gp\/#\/schema\/person\/2af2cbcbd389a279188e6b4608ddb4db","name":"jtosolt","image":{"@type":"ImageObject","inLanguage":"en-US","@id":"https:\/\/secure.gravatar.com\/avatar\/6322382d65cc71df3e9c204b08e5722e704d53b70cbd527b85c7cb3a758a3d3d?s=96&d=mm&r=g","url":"https:\/\/secure.gravatar.com\/avatar\/6322382d65cc71df3e9c204b08e5722e704d53b70cbd527b85c7cb3a758a3d3d?s=96&d=mm&r=g","contentUrl":"https:\/\/secure.gravatar.com\/avatar\/6322382d65cc71df3e9c204b08e5722e704d53b70cbd527b85c7cb3a758a3d3d?s=96&d=mm&r=g","caption":"jtosolt"},"sameAs":["https:\/\/x.com\/jtosolt@cssi.com"],"url":"https:\/\/cssi.com\/gp\/author\/jtosolt\/"}]}},"_links":{"self":[{"href":"https:\/\/cssi.com\/gp\/wp-json\/wp\/v2\/posts\/2743","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/cssi.com\/gp\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/cssi.com\/gp\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/cssi.com\/gp\/wp-json\/wp\/v2\/users\/4"}],"replies":[{"embeddable":true,"href":"https:\/\/cssi.com\/gp\/wp-json\/wp\/v2\/comments?post=2743"}],"version-history":[{"count":0,"href":"https:\/\/cssi.com\/gp\/wp-json\/wp\/v2\/posts\/2743\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/cssi.com\/gp\/wp-json\/wp\/v2\/media\/2744"}],"wp:attachment":[{"href":"https:\/\/cssi.com\/gp\/wp-json\/wp\/v2\/media?parent=2743"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/cssi.com\/gp\/wp-json\/wp\/v2\/categories?post=2743"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/cssi.com\/gp\/wp-json\/wp\/v2\/tags?post=2743"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}