15122

Notarized Centralized Authorization File (CAF) Information Verification

Agency
IRS
Revision
June 2026
Fillable fields
27
Pages
1
Official source
IRS form page
Checked
October 21, 2026
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Page 1 of form 15122

Form 15122: Notarized Centralized Authorization File (CAF) Information Verification

Form 15122, Notarized Centralized Authorization File (CAF) Information Verification, is a one-page Department of the Treasury, Internal Revenue Service form dated June 2026. The form says to complete it, notarize it, and send it to the IRS by scanning the QR code and using the Document Upload Tool (DUT), with a copy of valid photo identification. It refers to notice CP322 or CP322B for information on the DUT, and says the form and the copy of photo identification can also be mailed to the address provided in the notice.

The form asks for practice information tied to a CAF number, the name and signature of the person submitting it, and a notary acknowledgment completed by a notary public.

You can fill it out free in your browser on this page and download the result without an account.

What's on Form 15122

Instruction paragraph

A short paragraph on notarizing the form, sending it through the DUT with a copy of valid photo identification, or mailing it to the address in the notice.

Practice Information

Name, CAF number, business name, business address, city, state and ZIP code, primary phone number, fax number and email address.

eService, EFIN and SOR mailbox

An EService account field, Yes or No boxes for an Electronic Filing Identification Number (EFIN) with a space for the EFIN if applicable, and Yes or No boxes for a Secure Object Repository (SOR) mailbox with a space for it if applicable.

Person Submitting this Form

Name (print/type) and signature.

Notary Acknowledgment

State and county, the notary's name, the date (dd/mm/yy), the signer's name, the title of the document presented, the notary's statement on the signer's identity, the notary public signature, the commission expiration date and the seal.

How to fill out Form 15122

  1. 1

    Practice information

    Enter the name, CAF number, business name and address, and the phone, fax and email details.

  2. 2

    EService, EFIN and SOR

    Fill in the EService account field, check Yes or No for the EFIN and for the SOR mailbox, and enter the EFIN and SOR mailbox if applicable.

  3. 3

    Sign before the notary

    Print or type the name of the person submitting the form. The notary acknowledgment says the signer signed the document in the notary's presence.

  4. 4

    Notary acknowledgment

    The notary fills in the state and county, the notary's name, the date, the signer's name and the document title, then signs, enters the commission expiration date and affixes the seal.

  5. 5

    Photo identification

    Include a copy of valid photo identification. The acknowledgment says the signer presented an attached copy of their valid identification.

  6. 6

    Send it

    Scan the QR code and use the DUT, or mail the form and the copy of photo identification to the address provided in the notice.

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How to send it and what goes with it

Document Upload Tool

The form says to send it by scanning the QR code and using the Document Upload Tool (DUT), and to refer to notice CP322 or CP322B for information on the DUT.

By mail

The form says it can also be mailed with the copy of photo identification to the address provided in the notice. The PDF prints no address or deadline of its own.

Notarization

The form is notarized before it is sent. The notary records a commission expiration date and affixes a seal.

Photo identification

A copy of valid photo identification goes with the form, whether it is uploaded or mailed.

Related forms

Who fills out Form 15122?

  • The CAF number holder

    The Practice Information block asks for a name and CAF number, a business name and address, and phone, fax and email.

  • Recipients of notice CP322 or CP322B

    The form refers to your notice CP322 or CP322B for information on the Document Upload Tool and for the mailing address.

  • The person submitting the form

    A separate block takes the printed or typed name and the signature of the person submitting this form.

  • A notary public

    The Notary Acknowledgment is completed by a duly appointed and commissioned notary public, who signs it, enters the commission expiration date and affixes a seal.

  • The IRS as the recipient

    The form goes to the IRS through the DUT or by mail to the address provided in the notice.

The form is completed by the person whose practice information and CAF number it verifies, then notarized by a notary public, and it goes to the IRS.

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Questions about Form 15122

What does CAF stand for?

Centralized Authorization File, as the form's title says. The form asks for the CAF number in the Practice Information block.

How is Form 15122 sent?

The form says to scan the QR code and use the Document Upload Tool (DUT), or to mail it to the address provided in notice CP322 or CP322B, with a copy of valid photo identification.

Does Form 15122 need a notary?

Yes. The title says Notarized, and the Notary Acknowledgment is completed, signed and sealed by a notary public.

What identification goes with it?

The form says to include a copy of valid photo identification.

Which notices does it go with?

The form refers to notice CP322 or CP322B.