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IRS Form W-9
W-9 basics
- What is a W-9 form?
A W-9 gives a payer your legal name and taxpayer ID so it can file your Form 1099. Here is exactly what the form does, who completes it, and what it is not.
- Download
Download the current Form W-9 PDF free, plus the requester instructions, a fillable option, revision history, and how to check your copy is not out of date.
Instructions
- Instructions
Full Form W-9 instructions for the March 2024 revision. Lines 1-7, Part I TIN and Part II certification, with the exact entry to make for each entity type.
- How to fill it out
Fill out Form W-9 in seven steps. Exactly what to write on each line, with worked examples for contractors, sole proprietors, LLCs, S corps and nonprofits.
Tools
Updates
Filers
- Who files a W-9
You complete a W-9 if you are a U.S. person receiving reportable payments outside payroll. Every situation that triggers a request, and who is exempt.
- Independent contractors
How a freelancer or independent contractor completes Form W-9: your own name on Line 1, the first Line 3a box, and SSN or EIN in Part I. With worked examples.
- Sole proprietors
A sole proprietor puts their own name on Line 1 and the DBA on Line 2. Which TIN to use, why the order matters, and what happens if you reverse them.
- Single-member LLC
A disregarded single-member LLC puts the owner name on Line 1, the LLC name on Line 2, and checks the first Line 3a box. Never the LLC box, never the LLC EIN.
- LLC
How an LLC completes Form W-9. When to check the LLC box, which letter to write, and why a single-member LLC follows a completely different rule.
- S corporations
How an S corporation completes Form W-9: corporate name on Line 1, the S corporation box, the corporate EIN, and when exempt payee code 5 actually applies.
- C corporations
A C corporation enters its registered name on Line 1, checks the C corporation box and uses its EIN. Plus the payments still reportable despite the exception.
- Partnerships
How a partnership completes Form W-9, including the Line 3b foreign partner question added in the March 2024 revision, and who signs Part II.
- Nonprofits
How a 501(c)(3) or other tax-exempt organization completes Form W-9: which Line 3a box, exempt payee code 1, and why being tax-exempt still means filling it in.
- Trusts and estates
Grantor trusts, irrevocable trusts and decedents estates each report a different name and TIN on Form W-9. How to work out which combination applies to you.
- Minors and custodial accounts
On a UTMA or custodial account the minor is the taxpayer and the SSN in Part I is theirs. What the custodian completes, who signs, and where kiddie tax fits.
- Landlords
When a landlord must give a W-9, why property managers always ask, and how rent is reported in box 1 of Form 1099-MISC under the new $2,000 threshold.
- Gig workers
Rideshare, delivery and marketplace platforms all collect a W-9 or equivalent. Which 1099 you get, the restored $20,000 1099-K threshold, and what to check.
- Attorneys
Legal payments are reportable even to a corporation. How attorneys complete Form W-9, the difference between fees and gross proceeds, and settlement reporting.
- Real estate transactions
Why a closing agent asks for a W-9 when you sell property, how Form 1099-S works, and the certification that can exempt a principal residence sale.
- Government contractors
Federal agencies collect your TIN through SAM.gov and FAR 52.204-3, then report payments to corporations that other payers never would. Where a W-9 fits.
- Churches
Churches are exempt without applying and often hold no determination letter. What goes on Line 3a and Line 4 anyway, and what the church owes guest speakers.
- Foreign-owned U.S. LLC
A US single-member LLC with a non-resident owner generally files a Form W-8, not a W-9. Why the IRS caution says so, and when corporate status changes it.
- Airbnb hosts
Why short-term rental platforms collect tax information, whether a 1099-K or 1099-MISC arrives, what substantial services change, and how co-hosts get paid.
- Online sellers
The restored $20,000 and 200-transaction 1099-K threshold, why box 1a is gross, how to handle proceeds from personal items sold at a loss, and reseller rules.
- Creators and YouTube
Where the tax form hides in AdSense and platform settings, why 1099-NEC and 1099-MISC royalties are treated differently, and why non-US creators file a W-8.
- Insurance settlements
An insurer wants a certified TIN before it releases a settlement check. What the W-9 does, which parts of a recovery are taxable, and what a 1099 really proves.
- Medical and health care
Box 6 of Form 1099-MISC reports medical payments even to corporations. Who counts as a provider, what is excluded, and what a practice collects from vendors.
Form fields
- Line 3a tax classification
How to choose the right federal tax classification on Line 3a of Form W-9, including the LLC letter code and which box a disregarded entity actually checks.
- Line 3b
Line 3b was added in March 2024 for flow-through entities with foreign partners, owners or beneficiaries. The three-part test, with worked examples.
- Joint accounts
Whose name and SSN belong on a W-9 for a jointly held account, why one name gets circled, who signs, and what to do when the 1099 shows a single holder.
- Exempt payee codes
All thirteen exempt payee codes for Line 4 of Form W-9, who may use each one, and why individuals and sole proprietors must leave the box blank.
- FATCA codes
The thirteen FATCA exemption codes on Line 4 of Form W-9, what FATCA reporting is, and why nearly every filer should leave this box blank.
- TIN, SSN, EIN, ITIN
Which taxpayer identification number belongs in Part I of Form W-9, how an SSN, EIN and ITIN differ, and what to write while you wait for one.
- Part II certification
Your signature on Form W-9 certifies four separate statements under penalties of perjury. What each one means, when to strike out item 2, and who may sign.
- Disregarded entities
What a disregarded entity is, why Form W-9 asks for the owner name and TIN instead of the entity, and the exact entries to make on Lines 1, 2, 3a and Part I.
- Name and number to give
The IRS table that settles whose name and TIN belong on a W-9: joint accounts, custodial accounts, grantor trusts, estates, disregarded entities and more.
Rules and consequences
- Backup withholding
What triggers 24% backup withholding, how the B notice cycle works, how to stop it, and how to recover amounts already withheld when you file.
- Penalties
The penalties attached to Form W-9: $50 for failing to furnish a TIN, $500 for a false certification, plus criminal exposure and payer penalties.
- Common mistakes
The thirteen errors behind most W-9 rejections and IRS mismatch notices, what each one causes, and how to correct a form you have already sent.
- Does a W-9 expire?
Form W-9 has no expiration date. It stays valid until your name, entity type or TIN changes. The six events that void yours, and payer retention.
- Where to send it
A completed Form W-9 goes to the requester and nowhere else. Why it is never filed with the IRS, who should receive it, and how to verify a request is genuine.
- Reportable payments
Backup withholding applies to reportable payments, so the definition decides everything. Which payments qualify, which are excluded, and how thresholds work.
- Can I refuse?
Nobody can force you to sign a W-9, but refusing costs money: 24% backup withholding on reportable payments, a $50 penalty, and payments put on hold.
- Sending it securely
A completed W-9 contains everything needed for identity theft. The delivery channels ranked from safest to worst, plus how to reduce your exposure permanently.
- Electronic signatures
The IRS allows electronic W-9 submission and signature where the system meets set requirements. What qualifies, and why a typed name usually does not.
- Substitute Form W-9
When a requester may use its own version of Form W-9, what the certification must say, what may be left out, and whether you have to use their version.
- TIN matching
How payers use the free IRS TIN Matching service to validate a name and TIN pair before filing 1099s, what causes mismatches, and how to fix them.
For requesters
- B notices
The CP2100 trigger, the 15-business-day mailing window, what each notice must enclose, the two different cures, and when 24% withholding starts and stops.
- Record retention
Form W-9 sets no retention period of its own. Where the four-year clock comes from, when it starts, electronic storage rules, and how to purge safely.
- 1099 deadlines
Recipient and IRS deadlines for every 1099, paper versus electronic, the 10-return e-file threshold, Form 1096, and how the weekend rule shifts each date.
- How to request one
When to request a Form W-9, wording that actually gets a response, how to run annual solicitations for penalty relief, and how to store the forms you collect.
- If a vendor refuses
What a payer must do when a vendor refuses to provide a Form W-9: solicitation records, 24% backup withholding, Form 945, and filing a 1099 without a TIN.
Comparisons
- W-9 vs 1099
A W-9 is what you give your payer. A 1099 is what your payer sends you and the IRS. How the two connect, the new $2,000 threshold, and which 1099 to expect.
- W-9 vs W-4
A W-4 sets withholding for employees. A W-9 certifies a name and TIN for contractors. How to tell which applies, and what classification turns on.
- W-9 vs W-2
A W-9 is an input form you give a payer. A W-2 is a year-end statement from your employer. What each contains, and what getting both means.
- W-9 vs W-8BEN
U.S. persons file a W-9; foreign individuals file a W-8BEN. The U.S. person test, the whole W-8 family, and why the wrong form costs real money.
- NEC vs MISC
Services moved to Form 1099-NEC in 2020. A box-by-box map of what still belongs on the 1099-MISC, from rents in box 1 to attorney proceeds in box 10.
- W-9 vs I-9
A W-9 certifies a taxpayer ID for a contractor. An I-9 verifies an employee can legally work in the US. Which form applies, and what getting both means.
Reference
- FAQ
Answers to the questions people actually ask about Form W-9: who files it, what to write on each line, what happens if you do not, and how to send it safely.
- Glossary
Plain-English definitions of the terms on Form W-9 and in the rules around it, from backup withholding and disregarded entity to TIN matching.
- All pages
Every page on W9Form.org in one list: the form and instructions, guidance by entity type, the individual form fields, the rules, and form comparisons.
- Form 1099-NEC
Form 1099-NEC reports nonemployee compensation. What sits in each box, the $2,000 threshold, the January 31 deadline, and how to fix an amount that is wrong.
- Form 1099-K
A platform files a 1099-K only when gross payments pass $20,000 and transactions pass 200. Both tests, the retroactive fix, every box, and the 1099-NEC overlap.
About this site
- About
W9Form.org is an independent educational reference for IRS Form W-9. Who writes it, how it is funded, what it will not do, and why it is not the IRS.
- Editorial policy
How W9Form.org researches, sources, dates and corrects its content, which sources we treat as authoritative, and where we decline to give an answer at all.
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