The form you need
The form for filing an injured spouse claim with the IRS is Form 8379, Injured Spouse Allocation. You can file it together with your joint tax return, or mail it separately after you’ve filed if you later learn your refund was offset to pay your spouse’s past-due debt.
What “injured spouse” means
An “injured spouse” is someone who filed a joint return but isn’t legally responsible for certain debts their spouse owes, such as:
- Past-due federal or state income taxes
- Child support or spousal support arrears
- Federal non-tax debts (for example, certain student loans)
- State unemployment compensation debts
When the Treasury Offset Program applies your joint refund to one of those debts, you may be entitled to get back the portion of the refund that belongs to you. Form 8379 is the mechanism to request that allocation.
When and how to file Form 8379
You can file Form 8379 in three main ways:
- With your joint return
- Complete Form 8379 and attach it to your Form 1040 when you file.
- If filing on paper, write “Injured Spouse” in the upper left corner of the first page of the return.
* Many tax software programs let you complete Form 8379 electronically and then e-file the return with it.
- After you’ve already filed
- If the IRS has already offset your refund, you can fill out Form 8379 and mail it separately.
* Send it to the IRS service center where you filed your original return (for example, if you lived in Maine when you filed, you’d mail it to the Andover, MA center).
* Include copies of all W‑2s and 1099s for both spouses.
- Through tax software
- Programs like TurboTax, TaxSlayer, and others have a dedicated “Injured Spouse” section that walks you through the questions and generates Form 8379.
* Some services require you to print and mail the return if you use Form 8379; others still allow e-filing.
Deadlines and processing time
You generally must file Form 8379:
- Within 3 years from the date your joint return was filed, or
- Within 2 years from the date the tax was paid,
- Whichever is later.
If you never filed a return, you usually have 2 years from the date the tax was paid to file the form.
Expect longer processing times than a normal refund. The IRS warns that filing an injured spouse claim can delay your federal refund by up to about 14 weeks.
Key points to remember
- You must file a joint return to use Form 8379.
- You must file a new Form 8379 for each tax year you want injured spouse relief.
- This is different from “innocent spouse” relief, which deals with understated tax or fraud, not refund offsets.
If you’re unsure whether you qualify or how to allocate income and credits between spouses on the form, a tax professional or a low-income taxpayer clinic can help you complete Form 8379 correctly.