{"id":3876,"date":"2025-12-21T15:00:00","date_gmt":"2025-12-21T15:00:00","guid":{"rendered":"https:\/\/getw9.tax\/blog\/?p=3876"},"modified":"2025-12-20T07:14:07","modified_gmt":"2025-12-20T07:14:07","slug":"backup-withholding-missing-w9","status":"publish","type":"post","link":"https:\/\/getw9.tax\/blog\/backup-withholding-missing-w9\/","title":{"rendered":"Backup Withholding (24%) Explained: How Missing W-9s Trigger It (and How to Avoid It)"},"content":{"rendered":"\n<h2 class=\"wp-block-heading\">Introduction: the \u201cquiet week\u201d before January chaos<\/h2>\n\n\n\n<p>If you can\u2019t answer this in 10 seconds\u2026<\/p>\n\n\n\n<p><strong>\u201cWhich vendors are missing a W-9 right now?\u201d<\/strong><\/p>\n\n\n\n<p>\u2026you\u2019re not \u201ca bit behind.\u201d You\u2019re exposed.<\/p>\n\n\n\n<p>Because in certain situations, the IRS can require you (the payer) to withhold <strong>24%<\/strong> from future payments. That\u2019s <strong>backup withholding<\/strong> and it\u2019s one of the fastest ways to turn a normal vendor payment into a messy compliance problem.<\/p>\n\n\n\n<p>This guide breaks down:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>what backup withholding actually is,<\/li>\n\n\n\n<li>what triggers it in the real world,<\/li>\n\n\n\n<li>what\u2019s changing for 2026 that you should <strong>not misunderstand<\/strong>, and<\/li>\n\n\n\n<li>the simplest W-9 workflow to prevent the whole mess.<\/li>\n<\/ul>\n\n\n\n<blockquote class=\"wp-block-quote is-layout-flow wp-block-quote-is-layout-flow\">\n<p><strong>Not tax advice.<\/strong> This is operational guidance. For filing specific decisions, talk to your CPA.<\/p>\n<\/blockquote>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h2 class=\"wp-block-heading\">What is backup withholding (and why do teams freak out about it)?<\/h2>\n\n\n\n<p>Backup withholding is when the payer must withhold tax at the <strong>current rate of 24%<\/strong> from certain reportable payments in specific cases (often tied to missing\/incorrect taxpayer info).<\/p>\n\n\n\n<p>The business reality:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Vendors get angry (\u201cWhy is my payment short?\u201d)<\/li>\n\n\n\n<li>AP gets stuck doing cleanup instead of closing books<\/li>\n\n\n\n<li>Finance leadership gets dragged into avoidable fire drills<\/li>\n<\/ul>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h2 class=\"wp-block-heading\">What triggers backup withholding in real life?<\/h2>\n\n\n\n<p>Most of the time, it\u2019s not because you \u201cdid something wrong on purpose.\u201d It\u2019s because your <strong>Name\/TIN and W-9 process isn\u2019t tight<\/strong>.<\/p>\n\n\n\n<p>Common trigger patterns include:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>Missing TIN<\/strong> (or obviously invalid TIN format)<\/li>\n\n\n\n<li><strong>Name\/TIN mismatch<\/strong> on an information return compared to IRS records<\/li>\n\n\n\n<li>IRS-driven follow-up after you file and something doesn\u2019t match<\/li>\n<\/ul>\n\n\n\n<figure class=\"wp-block-image size-large\"><img loading=\"lazy\" decoding=\"async\" width=\"1024\" height=\"535\" src=\"https:\/\/getw9.tax\/blog\/wp-content\/uploads\/2025\/12\/midblog-1024x535.jpg\" alt=\"Flow diagram showing how missing or incorrect W-9 or TIN information leads to a name-TIN mismatch, triggers an IRS CP2100 or CP2100A notice, and results in backup withholding risk at 24 percent.\" class=\"wp-image-3880\" srcset=\"https:\/\/getw9.tax\/blog\/wp-content\/uploads\/2025\/12\/midblog-1024x535.jpg 1024w, https:\/\/getw9.tax\/blog\/wp-content\/uploads\/2025\/12\/midblog-300x157.jpg 300w, https:\/\/getw9.tax\/blog\/wp-content\/uploads\/2025\/12\/midblog-768x401.jpg 768w, https:\/\/getw9.tax\/blog\/wp-content\/uploads\/2025\/12\/midblog.jpg 1200w\" sizes=\"auto, (max-width: 1024px) 100vw, 1024px\" \/><\/figure>\n\n\n\n<h3 class=\"wp-block-heading\">The CP2100 \/ CP2100A pathway (the one teams don\u2019t plan for)<\/h3>\n\n\n\n<p>If you file information returns with missing\/incorrect Name\/TIN combinations, the IRS may send a <strong>CP2100 or CP2100A notice<\/strong> telling you to correct the issue and follow backup withholding procedures. <\/p>\n\n\n\n<p>Two operational details that matter:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>These notices go out <strong>twice per year<\/strong> (per IRS): Sept\/Oct and again in April of the following year. <\/li>\n\n\n\n<li>CP2100 is generally for <strong>50+<\/strong> problem returns; CP2100A for <strong>fewer than 50<\/strong>. <\/li>\n<\/ul>\n\n\n\n<p>If your vendor data is scattered across inboxes and spreadsheets, responding to these becomes painful.<\/p>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h2 class=\"wp-block-heading\">The \u201cJanuary nightmare\u201d is caused by 3 predictable process failures<\/h2>\n\n\n\n<h3 class=\"wp-block-heading\">1) Paying first, collecting W-9 later<\/h3>\n\n\n\n<p>You\u2019ve basically told yourself: \u201cWe\u2019ll remember later.\u201d You won\u2019t especially at scale.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">2) No single source of truth<\/h3>\n\n\n\n<p>Vendor data is split across:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>email threads<\/li>\n\n\n\n<li>spreadsheets<\/li>\n\n\n\n<li>accounting system(s)<\/li>\n\n\n\n<li>whoever last touched it<\/li>\n<\/ul>\n\n\n\n<p>That\u2019s how mismatches are born.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">3) Storing W-9s as email attachments<\/h3>\n\n\n\n<p>\u201cIn someone\u2019s inbox\u201d is not storage. It\u2019s future failure.<\/p>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h2 class=\"wp-block-heading\">2026 update you need to know (and not misread)<\/h2>\n\n\n\n<h3 class=\"wp-block-heading\">1) Backup withholding rate is still 24%<\/h3>\n\n\n\n<p>As of the IRS\u2019s 2026 Employer\u2019s Tax Guide (Publication 15), the backup withholding rate <strong>remains 24%<\/strong>. <\/p>\n\n\n\n<h3 class=\"wp-block-heading\">2) Big change starting calendar year 2026: $600 \u2192 $2,000 threshold (for certain reportable payments tied to backup withholding)<\/h3>\n\n\n\n<p>Publication 15 (2026) states that for reportable payments under <strong>IRC 6041(a) or 6041A(a)<\/strong> that are made in <strong>calendar year 2026<\/strong> and subject to backup withholding, a new law raises the <strong>aggregate reportable payment threshold<\/strong> from <strong>$600 to $2,000<\/strong>, and it will be inflation-adjusted after 2026. <a href=\"https:\/\/www.irs.gov\/publications\/p15?utm_source=getw9blog\" target=\"_blank\" rel=\"noreferrer noopener\">IRS<\/a><\/p>\n\n\n\n<p><strong>Here\u2019s what not to do:<\/strong><br>Don\u2019t treat this as permission to get lazy about W-9s.<\/p>\n\n\n\n<p>Why?<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>You still need correct vendor TIN data to avoid mismatches and notices.<\/li>\n\n\n\n<li>You still need clean records for operational control and year-end accuracy.<\/li>\n\n\n\n<li>Backup withholding problems often come from <strong>bad data<\/strong>, not just thresholds.<\/li>\n<\/ul>\n\n\n\n<p>If anything, this makes clean intake <em>more important<\/em>, because teams will be tempted to \u201cignore small vendors,\u201d and that\u2019s how your data integrity collapses.<\/p>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h2 class=\"wp-block-heading\">Upcoming change: a revised Form W-9 is coming (Jan 2026 revision date is in draft)<\/h2>\n\n\n\n<p>Right now, the currently published Form W-9 is <strong>Rev. March 2024<\/strong>. <\/p>\n\n\n\n<p>But the IRS released a <strong>draft<\/strong> of a revised Form W-9 with a <strong>January 2026 revision date<\/strong>, largely reflecting:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>updates connected to digital asset broker reporting rules, and<\/li>\n\n\n\n<li>clarifications for <strong>sole proprietors<\/strong> and certain entity\/TIN situations. <\/li>\n<\/ul>\n\n\n\n<p><strong>Practical takeaway:<\/strong><br>If your company uses a \u201csaved\u201d W-9 PDF template, vendor onboarding packet, or an embedded form on a portal plan to review\/update it when the final 2026 W-9 is released.<\/p>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h2 class=\"wp-block-heading\">The simple prevention blueprint (this avoids 90% of problems)<\/h2>\n\n\n\n<h3 class=\"wp-block-heading\">Step 1: Collect the W-9 before the first payment<\/h3>\n\n\n\n<p>Form W-9 is used to provide the correct TIN to a requester who may need to file an information return. <br>So stop paying vendors when their tax identity is still \u201cTBD.\u201d<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">Step 2: Track W-9 status like a workflow, not a hope<\/h3>\n\n\n\n<p>You need statuses like:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Submitted<\/li>\n\n\n\n<li>Pending<\/li>\n\n\n\n<li>Needs correction<\/li>\n<\/ul>\n\n\n\n<p>If you can\u2019t see this in one place, you\u2019re flying blind.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">Step 3: Store W-9 PDFs centrally with submission history<\/h3>\n\n\n\n<p>When someone asks \u201cDo we have the W-9?\u201d you should answer in seconds not start a scavenger hunt.<\/p>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h2 class=\"wp-block-heading\">What to do if you receive a CP2100\/CP2100A notice<\/h2>\n\n\n\n<p>Don\u2019t improvise. Follow a repeatable playbook.<\/p>\n\n\n\n<p>The IRS points requesters to Publication 1281 for \u201cB\u201d notice procedures and copies of the notices. <br>At a high level:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Send the appropriate <strong>B-notice<\/strong> to the payee<\/li>\n\n\n\n<li>Request corrected information (often via Form W-9 in first-notice scenarios per Pub 1281 guidance)<\/li>\n\n\n\n<li>Begin\/continue backup withholding if required until corrected info is received <\/li>\n<\/ul>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h2 class=\"wp-block-heading\">Where GetW9 fits <\/h2>\n\n\n\n<p>GetW9 is designed to make W-9 collection a <strong>process<\/strong>:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>send one secure link<\/li>\n\n\n\n<li>see who submitted vs who hasn\u2019t<\/li>\n\n\n\n<li>send reminders without manual chasing<\/li>\n\n\n\n<li>save completed W-9 PDFs with submission history<\/li>\n<\/ul>\n\n\n\n<p>That\u2019s it. It replaces inbox chaos with a workflow.<\/p>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h2 class=\"wp-block-heading\">Conclusion: your year-end move<\/h2>\n\n\n\n<figure class=\"wp-block-image aligncenter size-large\"><img loading=\"lazy\" decoding=\"async\" width=\"1024\" height=\"1024\" src=\"https:\/\/getw9.tax\/blog\/wp-content\/uploads\/2025\/12\/blogend-1024x1024.jpg\" alt=\"\" class=\"wp-image-3883\" srcset=\"https:\/\/getw9.tax\/blog\/wp-content\/uploads\/2025\/12\/blogend-1024x1024.jpg 1024w, https:\/\/getw9.tax\/blog\/wp-content\/uploads\/2025\/12\/blogend-300x300.jpg 300w, https:\/\/getw9.tax\/blog\/wp-content\/uploads\/2025\/12\/blogend-150x150.jpg 150w, https:\/\/getw9.tax\/blog\/wp-content\/uploads\/2025\/12\/blogend-768x768.jpg 768w, https:\/\/getw9.tax\/blog\/wp-content\/uploads\/2025\/12\/blogend-70x70.jpg 70w, https:\/\/getw9.tax\/blog\/wp-content\/uploads\/2025\/12\/blogend.jpg 1200w\" sizes=\"auto, (max-width: 1024px) 100vw, 1024px\" \/><\/figure>\n\n\n\n<p>Backup withholding is usually the symptom. <strong>Broken vendor intake is the cause.<\/strong><\/p>\n\n\n\n<p>This week (before you log off), do one thing:<br><strong>Identify vendors paid this year who don\u2019t have a clean W-9 on file.<\/strong><\/p>\n\n\n\n<p>If you can\u2019t do that quickly, your process isn\u2019t \u201cfine.\u201d It\u2019s just untested until January tests it.<\/p>\n\n\n\n<div style=\"text-align:center; margin:40px 0;\">\n  <a href=\"https:\/\/getw9.tax\/?utm_source=blog&#038;utm_medium=cta&#038;utm_campaign=year_end_w9_cleanup&#038;utm_content=backup_withholding_article\"\n     style=\"\n       display:inline-block;\n       background-color:#22C55E;\n       color:#ffffff;\n       padding:14px 28px;\n       font-size:16px;\n       font-weight:600;\n       text-decoration:none;\n       border-radius:8px;\n       box-shadow:0 4px 12px rgba(34,197,94,0.25);\n       transition:background-color 0.2s ease, transform 0.2s ease;\n     \"\n     onmouseover=\"this.style.backgroundColor='#16A34A'; this.style.transform='translateY(-1px)'\"\n     onmouseout=\"this.style.backgroundColor='#22C55E'; this.style.transform='translateY(0)'\">\n    Fix W-9s now. Keep January boring \u2192\n  <\/a>\n<\/div>\n\n","protected":false},"excerpt":{"rendered":"<p>Introduction: the \u201cquiet week\u201d before January chaos If you can\u2019t answer this in 10 seconds\u2026 \u201cWhich vendors are missing a W-9 right now?\u201d \u2026you\u2019re not \u201ca bit behind.\u201d You\u2019re exposed. Because in certain situations, the IRS can require you (the payer) to withhold 24% from future payments. That\u2019s backup withholding and it\u2019s one of the [&hellip;]<\/p>\n","protected":false},"author":2,"featured_media":3879,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[155,39],"tags":[162,235,157,41,160,133,139],"class_list":["post-3876","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-backup-withholding","category-tax-compliance","tag-1099-prep","tag-accounts-payable","tag-form-w-9","tag-irs-compliance","tag-name-tin-mismatch","tag-tin","tag-vendor-onboarding"],"blocksy_meta":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v26.8 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>Backup Withholding W-9: How Missing Forms Trigger 24% IRS Withholding<\/title>\n<meta name=\"description\" content=\"Backup withholding W-9 rules explained. Learn how missing or incorrect W-9 forms trigger 24% IRS withholding and how to prevent it before January.\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/getw9.tax\/blog\/backup-withholding-missing-w9\/\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Backup Withholding W-9: How Missing Forms Trigger 24% IRS Withholding\" \/>\n<meta property=\"og:description\" content=\"Backup withholding W-9 rules explained. Learn how missing or incorrect W-9 forms trigger 24% IRS withholding and how to prevent it before January.\" \/>\n<meta property=\"og:url\" content=\"https:\/\/getw9.tax\/blog\/backup-withholding-missing-w9\/\" \/>\n<meta property=\"og:site_name\" content=\"getW9 Blog\" \/>\n<meta property=\"article:publisher\" content=\"https:\/\/www.facebook.com\/getw9.tax\/\" \/>\n<meta property=\"article:published_time\" content=\"2025-12-21T15:00:00+00:00\" \/>\n<meta property=\"og:image\" content=\"https:\/\/getw9.tax\/blog\/wp-content\/uploads\/2025\/12\/Untitled-design-20.jpg\" \/>\n\t<meta property=\"og:image:width\" content=\"1200\" \/>\n\t<meta property=\"og:image:height\" content=\"1200\" \/>\n\t<meta property=\"og:image:type\" content=\"image\/jpeg\" \/>\n<meta name=\"author\" content=\"Akash\" \/>\n<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n<meta name=\"twitter:creator\" content=\"@getw9_\" \/>\n<meta name=\"twitter:site\" content=\"@getw9_\" \/>\n<meta name=\"twitter:label1\" content=\"Written by\" \/>\n\t<meta name=\"twitter:data1\" content=\"Akash\" \/>\n\t<meta name=\"twitter:label2\" content=\"Est. reading time\" \/>\n\t<meta name=\"twitter:data2\" content=\"5 minutes\" \/>\n<script type=\"application\/ld+json\" class=\"yoast-schema-graph\">{\"@context\":\"https:\/\/schema.org\",\"@graph\":[{\"@type\":\"Article\",\"@id\":\"https:\/\/getw9.tax\/blog\/backup-withholding-missing-w9\/#article\",\"isPartOf\":{\"@id\":\"https:\/\/getw9.tax\/blog\/backup-withholding-missing-w9\/\"},\"author\":{\"name\":\"Akash\",\"@id\":\"https:\/\/getw9.tax\/blog\/#\/schema\/person\/aeced3801994cc34bbe402ca6cf69908\"},\"headline\":\"Backup Withholding (24%) Explained: How Missing W-9s Trigger It (and How to Avoid It)\",\"datePublished\":\"2025-12-21T15:00:00+00:00\",\"mainEntityOfPage\":{\"@id\":\"https:\/\/getw9.tax\/blog\/backup-withholding-missing-w9\/\"},\"wordCount\":970,\"commentCount\":0,\"publisher\":{\"@id\":\"https:\/\/getw9.tax\/blog\/#organization\"},\"image\":{\"@id\":\"https:\/\/getw9.tax\/blog\/backup-withholding-missing-w9\/#primaryimage\"},\"thumbnailUrl\":\"https:\/\/getw9.tax\/blog\/wp-content\/uploads\/2025\/12\/Untitled-design-20.jpg\",\"keywords\":[\"1099 prep\",\"accounts payable\",\"Form W-9\",\"IRS Compliance\",\"Name\/TIN Mismatch\",\"TIN\",\"vendor onboarding\"],\"articleSection\":[\"Backup Withholding\",\"Tax Compliance\"],\"inLanguage\":\"en-US\",\"potentialAction\":[{\"@type\":\"CommentAction\",\"name\":\"Comment\",\"target\":[\"https:\/\/getw9.tax\/blog\/backup-withholding-missing-w9\/#respond\"]}]},{\"@type\":\"WebPage\",\"@id\":\"https:\/\/getw9.tax\/blog\/backup-withholding-missing-w9\/\",\"url\":\"https:\/\/getw9.tax\/blog\/backup-withholding-missing-w9\/\",\"name\":\"Backup Withholding W-9: How Missing Forms Trigger 24% IRS Withholding\",\"isPartOf\":{\"@id\":\"https:\/\/getw9.tax\/blog\/#website\"},\"primaryImageOfPage\":{\"@id\":\"https:\/\/getw9.tax\/blog\/backup-withholding-missing-w9\/#primaryimage\"},\"image\":{\"@id\":\"https:\/\/getw9.tax\/blog\/backup-withholding-missing-w9\/#primaryimage\"},\"thumbnailUrl\":\"https:\/\/getw9.tax\/blog\/wp-content\/uploads\/2025\/12\/Untitled-design-20.jpg\",\"datePublished\":\"2025-12-21T15:00:00+00:00\",\"description\":\"Backup withholding W-9 rules explained. 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