W-9 Form Generator: fill it out the right way, no backup withholding

Form W-9, Request for Taxpayer Identification Number and Certification, is how a U.S. person gives a business their correct taxpayer ID number, usually a Social Security number or EIN, and certifies they're a U.S. person not subject to backup withholding. You give it to whoever pays you, not to the IRS, and they use it to prepare information returns like a 1099.

Any U.S. person a business pays who isn't a regular employee: independent contractors, freelancers, gig workers, consultants, vendors, and landlords, plus anyone earning interest, dividends, or similar income. If a payer, bank, or broker asks you for one, you're the person who fills it out.

No. You give the completed W-9 to the requester, the business or institution that pays you, and they keep it on file. They use the information to report your payments to the IRS on a form like a 1099, but the W-9 itself never goes to the IRS.

A W-4 is for employees, and it tells an employer how much income tax to withhold from your paycheck, feeding a W-2 at year's end. A W-9 is for non-employees like contractors, where nothing is normally withheld and your pay is reported on a 1099. If you're an employee you fill out a W-4, not a W-9.

A W-9 is for U.S. persons. A W-8BEN is the foreign version, for a nonresident who isn't a U.S. person. If you're a U.S. citizen or resident you use the W-9; if you're a foreign individual you use the W-8BEN instead. Handing over the wrong one leads to the wrong tax treatment.

It's a flat 24% the payer must take out of reportable payments and send to the IRS when something's wrong, like a missing or incorrect TIN, an IRS notice that your name and TIN don't match, or an IRS notice that you underreported interest or dividends. For contractor pay, a payment only becomes reportable once that payer's total to you for the year reaches the $2,000 threshold. Anything withheld counts as tax you've already paid.

Individuals generally use a Social Security number, and a resident alien who can't get one enters an ITIN in the SSN boxes. A sole proprietor can use either an SSN or a business EIN. A single-member LLC that's disregarded uses the owner's SSN or EIN, never the LLC's own EIN. Corporations, partnerships, and LLCs taxed as either use the entity's EIN. Whichever you enter, it has to match the name on line 1.

Put your own name on line 1 and the LLC's name on line 2. On line 3a, check the box for how the owner is taxed, which is individual or sole proprietor if you're a person. In Part I, enter your SSN or your own EIN, not an EIN the LLC got for payroll or excise tax. If your LLC elected to be taxed as an S corporation, it's no longer disregarded: the LLC's name goes on line 1, you check LLC with code S, and you use the LLC's EIN.

Yes, if you're a U.S. resident alien for tax purposes and can't get a Social Security number. You enter the ITIN in the Social Security number boxes in Part I. Nonresident aliens don't use a W-9 at all; they give the payer a W-8BEN.

If a client pays you at or above the reporting threshold for the year, they use your W-9 to send you a 1099-NEC for contractor work, due to you by January 31. For payments made in 2026 and later that threshold is $2,000 per payer, so a client who pays you $1,800 in 2026 doesn't have to issue one. Your income is taxable whether or not a 1099 shows up.

Not for 2026 onward. The 2025 tax law raised the 1099-NEC and 1099-MISC reporting threshold from $600 to $2,000 for payments made after December 31, 2025, with inflation adjustments for payments after 2026. Payments made in 2025 still used $600. Separately, the 1099-K threshold for payment apps and marketplaces went back to more than $20,000 and more than 200 transactions.

A W-9 doesn't expire on a set date. It stays valid until your information changes, such as your name, your TIN, your tax classification, or your becoming subject to backup withholding. When something changes, you send the payer a fresh one. That's different from a W-8BEN, which expires after three years.

Line 3a is your federal tax classification, where you check one box: individual or sole proprietor, C corporation, S corporation, partnership, trust or estate, or LLC. Line 3b was added in 2024 and only applies to a partnership, trust, or estate with foreign partners or owners passing the form to another entity. Most individuals leave 3b blank.

It depends on the payment. The W-9's own instructions say you must sign for interest, dividend, and barter exchange accounts opened after 1983, broker accounts, and real estate transactions. For other payments, including most contractor and freelance pay, you must give your correct TIN but don't have to sign unless you've been told you gave an incorrect TIN before. Most payers still ask for a signature, and signing costs you nothing, so sign it.

A W-9 carries your Social Security number or EIN, so treat it like sensitive data. Send it only to a party you actually do business with, verify an unexpected request by phone before replying, and use an encrypted upload or secure portal rather than plain email where you can. Scammers request W-9s to collect SSNs, so be wary of anyone who asks out of the blue.

If the name and number don't match IRS records, the IRS sends the payer a CP2100 or CP2100A notice, and the payer has to send you a B-notice within 15 business days. Return a corrected, signed W-9, or backup withholding starts at 24%. A second mismatch within three years needs proof: a copy of your Social Security card, or IRS Letter 147C for an EIN. The fix is making line 1 show the exact name tied to that number.

To the business, bank, or platform that requested it, not to the IRS. Give it to them before they pay you so your 1099 comes out right and no backup withholding kicks in. Keep a copy for your records, and send an updated form whenever your details change.