Header and instruction line
The form number, the date December 2017, the title and the one-line instruction to mail the form to the address on the attached notice.
15108
Correction to Your Federal Tax Deposit (FTD)
- Agency
- IRS
- Revision
- December 2017
- Fillable fields
- 18
- Pages
- 1
- Official source
- IRS form page
- Checked
- October 21, 2026
Form 15108: Correction to Your Federal Tax Deposit (FTD)
Form 15108, Correction to Your Federal Tax Deposit (FTD), is a one-page Department of the Treasury, Internal Revenue Service form dated December 2017. Its only instruction is printed at the top: "If we didn't apply the payment correctly, complete this form and mail it to us at the address on the attached notice."
The form asks for contact information (name and taxpayer identification number), an updated address if it has changed, two telephone numbers with the best time to call, and the payment details: the amount, the date, the tax form and the tax period ending where the payment should be applied.
The form carries no other instructions. You can fill it out free in your browser on this page and download the result without an account.
What's on Form 15108
Contact Information
A Name field and a Taxpayer Identification Number field.
Address change
Under the line "If your address has changed, make the changes below" are fields for Address, City, State and ZIP code.
Telephone numbers
Primary and secondary telephone numbers, each with a best time to call and a choice of a.m. or p.m.
Indicate Where You Want Your Payment Applied
The sentence "I want my payment of ... dated ... applied to:" followed by a Tax form field and a Tax period ending field.
How to fill out Form 15108
- 1
Keep the notice at hand
The form is mailed to the address on the notice it came with, so the notice stays with the form until it is sent.
- 2
Name and TIN
Enter the name and the taxpayer identification number in the Contact Information block.
- 3
Address, only if it changed
The form says to make changes in the address fields only if the address has changed.
- 4
Telephone numbers
Enter a primary and, if wanted, a secondary telephone number, and mark the best time to call as a.m. or p.m.
- 5
Payment amount and date
Complete the sentence "I want my payment of ... dated ..." with the amount and the date of the payment.
- 6
Tax form and period
Enter the tax form and the tax period ending to which the payment should be applied, then mail the form.
Why fill Form 15108 on indox
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- The official blank straight from the IRS, not a copy someone retyped
- Works on a phone, tablet or computer
Where it goes and what the form does not say
Where to send it
The form says to mail it to the IRS at the address on the attached notice.
No printed deadline
Form 15108 itself prints no due date and no processing time.
No signature line
The form has no signature or date line. It asks only for contact, address, telephone and payment details.
One instruction line
The line at the top of the form is the only instruction it carries. It names no other form or publication.
Related forms
Who fills out Form 15108?
The form is written to the taxpayer whose payment the IRS did not apply as intended, and it goes back to the IRS.
Official sources and the blank
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Questions about Form 15108
What is Form 15108 used for?
The form says to complete it if the IRS did not apply a payment correctly. It tells the IRS which tax form and tax period ending a federal tax deposit payment should be applied to.
Where do I mail Form 15108?
To the IRS at the address on the notice it came with. The form prints no mailing address of its own.
Can I change my address on Form 15108?
Yes. The form has address fields under the line "If your address has changed, make the changes below."
Does Form 15108 need a signature?
The form has no signature or date line.
Are there instructions for Form 15108?
The form itself carries one instruction, printed at the top: complete it if the payment was not applied correctly and mail it to the address on the attached notice.