Form W-9
Request for Taxpayer Identification Number and Certification
Part I — Taxpayer Identification
Part I — Taxpayer Identification Number (TIN)
Part II — Certification
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W-9 Form 2026: Fill Out W-9 Online — Official U.S. Tax Form
Fill out your IRS Form W-9 online in minutes. The W-9 form is used by employers, banks, and other entities to request your taxpayer identification number (TIN) and certify that the number you provide is correct.
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What Is W-9 Form (Request for Taxpayer Identification Number and Certification)?
Fill out your IRS Form W-9 online in minutes. The W-9 form is used by employers, banks, and other entities to request your taxpayer identification number (TIN) and certify that the number you provide is correct. This form is issued by the Internal Revenue Service (IRS) and is updated periodically to reflect changes in regulations and requirements.
Who Needs to Fill Out W-9 Form?
You need to fill out a W-9 if you are a U.S. person (including a resident alien) and you have been asked to provide your TIN by a person or entity that is required to file an information return with the IRS. Common scenarios include: starting a new freelance or contract job, opening a bank account, applying for a mortgage or loan, selling real estate, or providing services worth $600 or more to a business. Independent contractors, freelancers, and self-employed individuals will encounter this form frequently — any time a client needs to report payments made to you, they will ask you to fill out a W-9.
How to Fill Out W-9 Form: Step-by-Step Instructions
- 1Enter your full legal name exactly as it appears on your tax return in Line 1.
- 2If you have a business name or DBA (doing business as), enter it on Line 2. Otherwise leave it blank.
- 3Check the appropriate box for your federal tax classification: Individual/Sole Proprietor, C Corporation, S Corporation, Partnership, Trust/Estate, or LLC. If LLC, enter the tax classification (C, S, or P).
- 4Enter any applicable exempt payee code and exemption from FATCA reporting code if they apply to you. Most individuals will leave these blank.
- 5Enter your complete address including street, city, state, and ZIP code.
- 6Optionally enter the requester's name and address if instructed to do so.
- 7Enter your Social Security Number (SSN) or Employer Identification Number (EIN) in Part I.
- 8Read the certification in Part II and sign and date the form. Your signature certifies that the TIN you provided is correct and that you are not subject to backup withholding.
When Is W-9 Form Due?
The W-9 has no specific filing deadline with the IRS — you do not send it to the IRS yourself. Instead, you provide it to the person or entity that requested it. You should submit it promptly when requested, as the requester may be unable to process payments or may be required to withhold 24% of your payment (backup withholding) until they receive your completed W-9. Generally, provide the form before you receive your first payment.
Penalties for Not Filing W-9 Form
If you fail to furnish a correct TIN, you may be subject to backup withholding at 24% on payments you receive. You may also face a $50 penalty for each failure to furnish your TIN. Providing false information on a W-9 can result in penalties under perjury laws.
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W-9 Form Frequently Asked Questions
What is a W-9 form used for?+
A W-9 form is used to provide your taxpayer identification number (TIN) to a person or entity that will pay you income. The requester uses this information to file information returns (such as 1099 forms) with the IRS reporting the income they paid to you.
Do I need to send my W-9 to the IRS?+
No. You never send a W-9 to the IRS. You provide it only to the person or entity that requested it (such as your employer, client, bank, or financial institution). They use the information to report payments to the IRS on your behalf.
What is the difference between a W-9 and a W-4?+
A W-9 is for independent contractors and freelancers — it provides your TIN so the payer can issue 1099 forms. A W-4 is for employees — it tells your employer how much federal income tax to withhold from your regular paychecks. If you are an employee, you fill out a W-4. If you are a contractor, you fill out a W-9.
Can I refuse to fill out a W-9?+
You can refuse, but there may be consequences. The requester may be required to withhold 24% of your payments (backup withholding) if you do not provide a valid TIN. They may also refuse to do business with you or delay your payments.
Is my information safe when I fill out a W-9 online?+
On PDF.site, absolutely. We use bank-grade 256-bit SSL encryption. Your form data is processed in an isolated environment and never stored on our servers. The completed form is delivered directly to you for download — we do not retain any copies.
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