What is the purpose of IRS Form W‑12?

Form W‑12 is used to request a Taxpayer Identification Number (TIN) and certification from a payee so the payer can correctly report payments to the IRS.

Who needs to file Form W‑12?

Any individual, partnership, corporation, or other entity that will receive reportable payments and does not already have a TIN on file with the payer must complete Form W‑12.

Can I save my progress and finish the form later?

Yes. The Formize PDF Filler allows you to save a draft in your browser. When you return, click the same link to reload your saved data.

Is there any cost to use the fillable Form W‑12 on Formize?

No. The fillable version is completely free, and you can download or print the completed PDF at no charge.

Do I need a digital signature for Form W‑12?

A typed signature is accepted for most electronic submissions. If the recipient requires a handwritten signature, print the PDF, sign, and mail it.

What should I do if I make a mistake after submitting?

Correct the error on a new copy of the form, sign again, and resend the updated PDF to the requesting party.

Where can I find the official PDF version of Form W‑12?

The official IRS PDF is available at https://www.irs.gov/pub/irs-pdf/fw12.pdf.

IRS Form W‑12 – Fillable PDF Online

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The IRS Form W‑12 (Request for Taxpayer Identification Number and Certification) is the official document used by payors to request a Taxpayer Identification Number (TIN) from individuals or entities that will receive reportable payments. With Formize.com you can fill out this form directly in your browser—no printing, scanning, or PDF editor required.

What Is IRS Form W‑12?

Form W‑12 is issued by the Internal Revenue Service (IRS) to collect the correct TIN and certification for backup withholding purposes. It is commonly used by businesses, financial institutions, and government agencies when they need to verify the recipient’s TIN before issuing a Form 1099, 1098, or other information returns.

How to Complete the Fillable Form

Follow these simple steps to fill out the form online:

Click the "Fill out this form" button on this page.
Wait a few seconds while the Formize PDF Filler app loads.
Enter the required information in each field (name, address, TIN, etc.). The form automatically validates formats such as SSN/EIN.
Review your entries, then click Submit to download the completed PDF or to print it directly.

Common Mistakes to Avoid

Incorrect TIN format: Ensure the Social Security Number (SSN) is entered as XXX-XX-XXXX and the Employer Identification Number (EIN) as XX-XXXXXXX.
Missing signature: The form requires an authorized signature; the online filler includes a signature field that can be typed and saved.
Out‑of‑date address: Verify the mailing address matches the IRS records to prevent backup withholding.

Where to Submit the Completed Form

After completing the fillable PDF, you can:

Attach it to your electronic filing system and send it to the requesting payor.
Print and mail it to the IRS or the requesting entity, using the address indicated on the form.

Formize keeps a copy of your completed PDF for up to 30 days, so you can download it again if needed.

FAQs About Form W‑12

For quick answers, scroll down to the FAQ section below.

Instructions

Form W-12 Instructions - Instructions for Form W-12, IRS Paid Preparer Tax Identification Number (PTIN) Application and Renewal

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FAQ

What is the purpose of IRS Form W‑12?
Form W‑12 is used to request a Taxpayer Identification Number (TIN) and certification from a payee so the payer can correctly report payments to the IRS.
Who needs to file Form W‑12?
Any individual, partnership, corporation, or other entity that will receive reportable payments and does not already have a TIN on file with the payer must complete Form W‑12.
Can I save my progress and finish the form later?
Yes. The Formize PDF Filler allows you to save a draft in your browser. When you return, click the same link to reload your saved data.
Is there any cost to use the fillable Form W‑12 on Formize?
No. The fillable version is completely free, and you can download or print the completed PDF at no charge.
Do I need a digital signature for Form W‑12?
A typed signature is accepted for most electronic submissions. If the recipient requires a handwritten signature, print the PDF, sign, and mail it.
What should I do if I make a mistake after submitting?
Correct the error on a new copy of the form, sign again, and resend the updated PDF to the requesting party.
Where can I find the official PDF version of Form W‑12?
The official IRS PDF is available at https://www.irs.gov/pub/irs-pdf/fw12.pdf.

HOW TO

How to fill out IRS Form W-12 for free, online in 4 easy steps:

1
Click the Fill‑out Button
On this page, locate the blue "Fill out this form" button and click it. This launches the Formize PDF Filler in a new tab.
2
Wait for the Filler to Load
The Formize app loads the fillable version of IRS Form W‑12 within a few seconds. A loading spinner will disappear when the form is ready.
3
Enter Your Information
Complete each field—name, address, TIN, certification, and signature. The filler validates formats in real time, reducing errors.
4
Review and Save
Double‑check all entries, then click "Save & Download" to get a completed PDF copy, or print it directly for mailing.

ABOUT

Tax forms

IRS Form W-12 is one of Tax forms that are documents used to report income, deductions, and tax liability to the relevant tax authority. These forms are an essential part of the tax filing process and are used to ensure individuals and businesses comply with tax laws and accurately calculate their tax obligations.

The specific tax forms required can vary depending on factors such as an individual's filing status, sources of income, and the country's tax laws. However, here are some common types of tax forms:

Individual Income Tax Forms: These forms, such as the 1040 series in the United States, are used by individuals to report their income, claim deductions and credits, and calculate their tax liability.

Business Tax Forms: Businesses, including sole proprietorships, partnerships, corporations, and self-employed individuals, may have to file various forms to report their income, expenses, and taxes owed. Examples include Schedule C (Profit or Loss from Business) and Form 1120 (U.S. Corporation Income Tax Return).

Employment Tax Forms: Employers are required to report employee wages and withhold and remit payroll taxes. Forms such as W-2 (Wage and Tax Statement) and 941 (Employer's Quarterly Federal Tax Return) are used for this purpose.

Investment and Retirement Account Forms: These forms are used to report investment income, capital gains, and losses, as well as contributions and distributions from retirement accounts. Examples include Form 1099-DIV (Dividends and Distributions) and Form 5498 (IRA Contribution Information).

Estate and Gift Tax Forms: When a person passes away or makes significant gifts, specific forms such as Form 706 (United States Estate (and Generation-Skipping Transfer) Tax Return) and Form 709 (United States Gift (and Generation-Skipping Transfer) Tax Return) are used to report and calculate any applicable estate or gift taxes.

It is important to note that tax laws and forms can change over time, so individuals and businesses should consult the relevant tax authority or seek professional tax advice to ensure compliance with the current requirements.

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