---
title: "W-9 vs 1099: what each form does | Ledgerbrook"
source: https://ledgerbrook.com/blog/w9-vs-1099/
description: "W-9 vs 1099: the W-9 gets a contractor's tax ID before you pay, and the 1099-NEC reports the year's total by Feb 1, 2027."
---

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# W-9 vs 1099: what each form does

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[Omkar Moraye](/about/) · October 30, 2026

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## What is the difference between a W-9 and a 1099?

A W-9 is collected from a contractor before you pay them and gives you their legal name, tax classification and taxpayer ID. A 1099-NEC is what you send the contractor and the IRS after the year ends, reporting 2026 payments of $2,000 or more, by February 1, 2027. The W-9 is what makes the 1099 correct.

W-9 vs 1099 is the question we get every January, usually from an owner who has just been asked by their CPA for “the 1099 list” and has a folder of invoices but no W-9s. The two forms are two ends of one process. The W-9 comes in from the contractor when you start paying them. The 1099 goes out from you, to the contractor and the IRS, after the year ends, and it is built from what the W-9 told you.

This post is about running that process from the payer’s side: when to collect the W-9, what each box on it means for your filing, and what to do when a contractor will not send one or the IRS says the number is wrong. The rules are cited to the IRS. Ledgerbrook keeps books and does not file returns, so take a payment you are unsure about to the CPA who prepares yours.

## W-9 vs 1099 vs W-4, side by side

| | Form W-9 | Form 1099-NEC | Form W-4 |
| --- | --- | --- | --- |
| Who fills it in | The contractor or vendor | You, the payer | Your employee |
| Who keeps it | You, in the vendor file | The contractor and the IRS each get a copy | You, in the payroll file |
| Sent to the IRS? | No | Yes | No |
| When | Before the first payment | After the year ends: Feb 1, 2027 for 2026 payments | At hire, and when the employee’s situation changes |
| What it does | Gives you the legal name, tax classification and taxpayer ID | Reports nonemployee pay of $2,000 or more for 2026 | Sets how much income tax you withhold from wages |
| What it leads to | The 1099, or no 1099 for a corporation | The contractor’s own tax return | The W-2 |

The W-9 says it at the top: “Give form to the requester. Do not send to the IRS” ([Form W-9, Rev. March 2024](https://www.irs.gov/pub/irs-pdf/fw9.pdf)). A W-9 is the contractor-side form; a W-4 is the employee-side form. A worker gives you one or the other, never both for the same job.

## Quick answers for the contractor side

Most people searching this are on the other side of the desk: they have just been asked for a W-9. These are the questions they ask, answered in a line each.

### Does a 1099 contractor need to fill out a W-9?

Yes, when a business that has to file a 1099 for them asks. The business needs the taxpayer ID to file it. A contractor who does not provide one has 24% of each payment withheld and sent to the IRS (see below).

### Is a W-9 for self-employed people?

It is for any U.S. person or entity being paid something the payer reports on an information return: contractors, landlords, attorneys, and also banks asking for your number to report interest. Filling one in does not make you self-employed. Being paid for services as a nonemployee does.

### Do I pay more taxes with a W-9?

The form itself changes nothing. What changes the tax is being paid as a contractor instead of an employee: nobody withholds income tax, and you pay self-employment tax of 15.3% (12.4% Social Security, 2.9% Medicare) once net earnings reach $400, where an employee’s half is withheld and the employer pays the other half ([IRS: self-employment tax](https://www.irs.gov/businesses/small-businesses-self-employed/self-employment-tax-social-security-and-medicare-taxes)). Sole proprietors and single-member LLC owners figure it on Schedule SE, and deduct the employer-equivalent portion in figuring adjusted gross income.

### Does a W-9 get reported to the IRS?

No. The business that asked for it keeps it. What the IRS sees is the 1099 that business files from it.

### Can I refuse to fill out a W-9?

You can, but the payer must then backup withhold 24% from your payments, and the W-9 itself warns of a $50 penalty for each failure to furnish a correct taxpayer ID unless the failure is due to reasonable cause.

## What each line of the W-9 tells you as the payer

The W-9 settles three things the 1099 depends on: whose name goes on the form, which number, and whether a 1099 is due at all.

### Lines 1 and 2: the name that goes on the 1099

Line 1 is the name on the payee’s tax return. For a sole proprietor or a single-member LLC that is disregarded for tax, that is the owner’s name, with the business name on line 2. So a payment to “Ridgeline Painting LLC” owned by one person is reported under the owner’s name and number, not the LLC’s, unless the LLC has elected corporate tax treatment.

### Line 3a: whether a 1099 is due

Line 3a has seven boxes, and the payee checks one. That box decides most of the question, because payments to corporations are generally exempt from 1099-NEC reporting ([IRS Instructions for Forms 1099-MISC and 1099-NEC](https://www.irs.gov/instructions/i1099mec), Rev. December 2026).

| Box checked on line 3a | 1099-NEC due for services at $2,000 or more? |
| --- | --- |
| Individual/sole proprietor | Yes |
| C corporation | No, unless it is a law firm paid for legal services |
| S corporation | No, unless it is a law firm paid for legal services |
| Partnership | Yes |
| Trust/estate | Yes |
| LLC, with “C” or “S” entered | No, unless it is a law firm; it is taxed as a corporation |
| LLC, with “P” entered | Yes; it is taxed as a partnership |
| Other | Read the payee’s description and ask your CPA |

A single-member LLC that is disregarded does not check the LLC box at all. The form tells it to check the box for its owner’s classification instead, usually “Individual/sole proprietor”, which is why a one-owner LLC gets a 1099. A disregarded LLC that ticked “LLC” anyway has filled the form in wrong; ask for a new one.

Line 3b, added in the March 2024 revision, is for partnerships, trusts and estates with foreign partners or owners giving the form to another flow-through entity they own part of. It does not change whether you file a 1099.

### Line 4: exempt payee codes

A corporation may enter exempt payee code 5. The code exempts it from backup withholding, but it does not override the attorney rule: the W-9 says corporations are not exempt for attorneys’ fees or gross proceeds paid to attorneys, and medical corporations are not exempt for payments reportable on Form 1099-MISC. Individuals, including sole proprietors, have no exempt code.

### Part I: the taxpayer ID

The W-9 gives these rules for which number goes in Part I:

- **Individuals:** a Social Security number, or an ITIN for a resident alien without one.
- **Sole proprietors with an EIN:** either the SSN or the EIN.
- **Single-member LLC, disregarded:** the owner’s SSN, or the owner’s EIN if the owner has one.
- **LLC taxed as a partnership or corporation:** the LLC’s own EIN.

A name and a number that do not belong together is what produces the IRS mismatch letter later, so check that Part I matches line 1, not line 2.

### Part II: the signature

For contractor payments, which the form calls “other payments”, the W-9 says the payee must give a correct TIN but does not have to sign the certification unless the IRS has previously notified them of an incorrect TIN. We still ask for a signed form. It costs the contractor ten seconds, and a signed certification is the cleanest record that you asked.

Paid contractors all year without a single W-9 on file?

That is a cleanup, not a one-off fix: $99 per month of backlog (20% off 6+ months), one fixed price agreed before any work starts. [Send the file for a free 48-hour review](/contact/?from=blog%2Fw9-vs-1099).

## When to collect the W-9

Before the first payment, at onboarding, when the contractor still wants something from you. In January they have already been paid.

The IRS’s backup withholding rules agree on the timing. Publication 1281 says a payer makes its initial request for the taxpayer ID “when the transaction occurs”, and must begin backup withholding if the payee does not provide it then ([IRS Publication 1281](https://www.irs.gov/pub/irs-pdf/p1281.pdf), Rev. 12-2023). For contractor payments the TIN can be provided in any manner, but the W-9 is the form built for it.

In QuickBooks Online, contractors are added under **All apps**, then **Expenses & Bills**, then **Contractors**, then **Add a contractor**. Checking **Email this contractor** sends the contractor a request to enter their own details, which saves you retyping a W-9 (Intuit: [set up contractors to track 1099s](https://quickbooks.intuit.com/learn-support/en-us/help-article/payroll-setup/set-contractors-track-1099s-quickbooks/L4wX1Ge0e_US_en_US)). Keep the signed W-9 attached to the contractor record either way.

### Do I need a new W-9 every year?

No. The W-9 sets no annual renewal. The payee has to give you an updated form when their name or taxpayer ID changes, or when they claimed to be exempt and no longer are. A sole proprietor who forms an LLC and elects S-corp status should send a new W-9, and the 1099 stops at that point. Asking active vendors to confirm their W-9 each fall is a habit, not a rule, and it catches those changes before January.

## What to do when a contractor will not send a W-9

You can still pay them, but you have to withhold. For a contractor who has not provided a taxpayer ID, the payer must “deduct, withhold, and deposit with IRS 24% of reportable payments” ([Instructions for the Requester of Form W-9](https://www.irs.gov/instructions/iw9)). A payer that should have withheld and did not “may become liable for any uncollected amount.” There is no grace period for contractor pay: the 60-day “Applied For” window on the W-9 covers interest, dividends and certain readily tradable instruments only.

### A worked example

A painter with no W-9 on file invoices $3,000. You pay $2,280 and hold back $720, which is 24%.

| Account | Debit | Credit |
| --- | --- | --- |
| Contract labor | 3,000.00 | |
| Checking | | 2,280.00 |
| Backup withholding payable | | 720.00 |
| **Total** | **3,000.00** | **3,000.00** |

When the deposit goes to the IRS, a second entry clears the liability and matches the $720 line on the bank statement:

| Account | Debit | Credit |
| --- | --- | --- |
| Backup withholding payable | 720.00 | |
| Checking | | 720.00 |
| **Total** | **720.00** | **720.00** |

Backup withholding payable is an Other Current Liabilities account. The expense is the full $3,000, and so is the 1099-NEC: $3,000 in box 1a and $720 in box 4, federal income tax withheld. Check the reportable total QuickBooks shows for that contractor before you file. It has to be the gross $3,000, not the $2,280 that reached their account.

Backup withholding is deposited electronically and reported on Form 945, not on Form 941 with payroll taxes. The IRS says not to combine Form 941 and Form 945 deposits ([Instructions for Form 945](https://www.irs.gov/instructions/i945)). Form 945 for 2026 is due January 31, 2027, which moves to Monday, February 1 because the 31st is a Sunday. If every deposit for the year was made on time and in full, the IRS allows the return to be filed by February 10. Stop withholding once the contractor provides the taxpayer ID.

## When the IRS says the taxpayer ID is wrong

A few months after filing, the IRS sends a CP2100 or CP2100A notice listing 1099s whose name and taxpayer ID do not match its records. Small filers, with fewer than 50 errors, get the paper CP2100A. Publication 1281 sets out what happens next:

1. **Compare the list with your records.** If your records have a different number, it was a typing error or an old record. Correct your records; nothing goes to the IRS. For a payee listed with a missing taxpayer ID, start backup withholding right away if you have not already.
2. **Send the first “B” notice within 15 business days** of the notice date or the date you received it, whichever is later, with a blank W-9. The envelope must be marked “IMPORTANT TAX INFORMATION ENCLOSED” or “IMPORTANT TAX RETURN DOCUMENT ENCLOSED.”
3. **Start backup withholding no later than 30 business days** after you received the CP2100, if no corrected W-9 has come back.
4. **Stop within 30 calendar days** of receiving the signed, corrected W-9.

A second CP2100 for the same account within three calendar years needs the second “B” notice, without a W-9. This time a new W-9 is not enough: the payee has to get their name and number validated by the Social Security Administration (for an SSN) or the IRS (for an EIN), and you keep withholding until that validation arrives.

Most of these letters can be avoided. Payers that file information returns can apply for IRS [TIN Matching](https://www.irs.gov/tax-professionals/taxpayer-identification-number-tin-matching) through an IRS account and check each name and number before filing. Publication 1281 says payers who validate before filing should receive fewer CP2100 notices and penalty notices.

## The W-9 calendar for 2026 payments

| When | What | Why |
| --- | --- | --- |
| At onboarding | Request the W-9; withhold 24% if it does not come | The initial request is due when the payment happens |
| October to November | Ask every vendor paid by check or transfer for a current W-9; run TIN Matching | Name and number errors are fixed before the forms are filed |
| Dec 31, 2026 | First annual request to any payee still missing a taxpayer ID (Jan 31, 2027 for one first paid in December) | Pub 1281’s first annual solicitation, which protects you from the missing-TIN penalty |
| Jan 2027 | Run the 1099 reports and check each contractor’s total | The forms are built from these totals |
| Feb 1, 2027 | 1099-NEC to contractors and the IRS; Form 945 if you withheld | The Jan 31 deadline moves to the next business day |
| Dec 31, 2027 | Second annual request, if a 2026 payee’s taxpayer ID is still missing | The second annual solicitation |

Who gets a 1099 is in [when to send a 1099](/blog/when-to-send-a-1099/), and what a late one costs is in [the 1099 late filing penalty](/blog/1099-late-filing-penalty/); which form each payment goes on, NEC or MISC, is in [1099-NEC vs 1099-MISC](/blog/1099-nec-vs-1099-misc/). The rest of the season’s filing dates are on the [business tax deadlines](/blog/business-tax-deadlines/) calendar.

## Common questions about W-9s and 1099s

### Can I file a 1099 without a W-9?

Yes, and if the contractor crossed $2,000 you still have to. File with the name and address you have and leave the taxpayer ID box blank; the IRS general instructions say backup withholding may apply. Then keep making the annual requests above, because they are what stand between you and a penalty for the missing number.

### Is it illegal to pay someone without a W-9?

No. Paying a contractor who has not given you a W-9 is allowed. What the law requires is the 24% backup withholding on reportable payments until they do, and you are on the hook for it if you skip it.

### Can a regular person fill out a W-9?

Yes. Any U.S. citizen or resident alien can, and does, whenever a business needs their taxpayer ID for an information return. A nonresident alien or foreign entity gives a Form W-8 instead.

### Do LLCs need to fill out a W-9?

Yes, every LLC you pay for services should send one. The box it checks on line 3a is how you know whether it is taxed as a sole proprietor, partnership or corporation, and that decides the 1099.

### Do I need a W-9 from a vendor I pay by credit card?

Not for the 1099. Payments made by credit card, debit card or a payment app such as PayPal are reported by the card company or app on Form 1099-K, not by you. QuickBooks Online leaves them out of the 1099 totals automatically, as long as they were recorded as card payments. Why the 1099-K rarely matches the books is in [why your 1099-K doesn’t match your books](/blog/1099-k-and-your-books/).

### What is the new 1099 rule for 2026?

The threshold for 1099-NEC and most 1099-MISC boxes rose from $600 to $2,000 for payments made in 2026. It is $2,100 for payments made in 2027. Every form’s threshold by year is in [the 1099 threshold for 2026 and 2027](/blog/1099-threshold/).

## When there are no vendor records to work from

The W-9 routine assumes the year’s payments are in the books against the right vendor. If the books stopped in the spring, the contractor payments are sitting in bank statements as unnamed checks and transfers, and there is no list to send W-9 requests against. Catch-up bookkeeping rebuilds those months from the statements, vendor by vendor, so the 1099 totals come from records instead of memory.

$99per month of backlog20% off 6+ months

> **When to hand this off:** if you paid contractors by check or transfer in 2026 and the months they were paid are not yet entered, the W-9 requests and the 1099s both have to wait for those months. Start with a [free file review](/contact/?from=blog%2Fw9-vs-1099), which tells you how many months are missing before any price is given. What [catch-up bookkeeping](/quickbooks-catch-up-bookkeeping/) covers is on its own page.

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