# 8821 form: fill out and sign online, free

> Form 8821 is the Internal Revenue Service's "Tax Information Authorization." In its words: "Form 8821 is used to authorize certain entities to review confidential information in any IRS office for the type of tax and the years or periods listed." (IRS, About Form 8821)

Page: https://pdfinish.com/forms/8821
Last updated: October 26, 2026

## 8821 at a glance

- **Agency:** Internal Revenue Service (IRS)
- **What it is for:** Form 8821 is used to authorize certain entities to review confidential information in any IRS office for the type of tax and the years or periods listed.
- **Who fills it:** The taxpayer giving the authorization, as the form is laid out.
- **Who it goes to:** See the IRS instructions for Form 8821.
- **Signature:** The form has a signature line. The form says: “Don’t sign this form unless all applicable lines have been completed.”
- **Revision:** Rev. January 2021
- **Last checked:** October 26, 2026
- **Official form (PDF):** https://www.irs.gov/pub/irs-pdf/f8821.pdf
- **Official instructions:** https://www.irs.gov/instructions/i8821

## What the agency says

- The form itself says it is not to be used to request copies of your tax returns or to authorize someone to represent you: “Don’t use Form 8821 to request copies of your tax returns or to authorize someone to represent you. See instructions.” (Source: [IRS, Form 8821 (printed on the form)](https://www.irs.gov/pub/irs-pdf/f8821.pdf))

## How to fill it out

1. **Open the form.** Press Fill it now. The form opens in Finish PDF in your browser. Nothing is uploaded.
2. **Type in the boxes.** Click a box and type, or tick a checkbox. Add your signature in the Sign step and press Lock to put your entries into the page.
3. **Save your copy.** Name the file and download it. Your original blank form is never changed.

## Common questions

### Is the 8821 form free to fill out here?

Free to start. Your 2 free uses in total need no account. Filling in a form and signing it are free; the file you download counts as one of your free uses. After that, start your 7-day free trial of Pro or buy Pro for $2.99 a month.

### Is my information uploaded?

No. The form is filled in your browser and never uploaded, so what you type, including any Social Security number or other tax ID, stays on your device. We do not record what you type.

### Is this the latest version of Form 8821?

It is the version the agency listed as current when we last checked on 2026-10-26: Rev. January 2021. We compare our copy with the agency's every week. If the agency updates the form, this page says so and points to the official link until we update ours.

### Can I sign the 8821 electronically?

Whether an electronic signature is accepted is up to whoever asked you for the form, unless the agency says otherwise. Check the agency's instructions at https://www.irs.gov/instructions/i8821. PDFinish places a picture of your signature on the page; it is not a certificate-based digital signature.

### Where do I send the 8821?

In the agency's words: See the IRS instructions for Form 8821. Read the agency's instructions at https://www.irs.gov/instructions/i8821.

### What do I put in each box of the 8821?

We do not tell you what to enter. The agency's own instructions explain each line: https://www.irs.gov/instructions/i8821.

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Also searched as: Form 8821, IRS tax information authorization, 8821 tax authorization, Tax Information Authorization, 8821 form irs.

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