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Official form guide
Form 8379: Injured Spouse Allocation
Internal Revenue Service Form 8379 is the Injured Spouse Allocation form that lets a spouse claim back the portion of a joint refund that was applied to the other spouse’s legally enforceable past‑due debt. File within 3 years from the original return’s due date (including extensions) or within 2 years from the date the tax was paid, whichever is later.
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IRS Form 8379 - Injured Spouse Allocation
Internal Revenue Service Form 8379 is the Injured Spouse Allocation form that lets a spouse claim back the portion of a joint refund that was applied to the other spouse’s legally enforceable past‑due debt. File within 3 years from the original return’s due date (including extensions) or within 2 years from the date the tax was paid, whichever is later.
Risk Radar
Scan points- 1Submitting Form 8379 without the required signature risks perjury penalties.
- 2Leaving the tax year blank on line 1 of Part I.
- 3Answering “No” to the joint return question but still filing the form.
- 4Failing to check the box on line 3 when the IRS used the overpayment for the spouse’s debt.
- 5Providing allocation numbers in Part III where column (a) does not equal columns (b) plus (c).
Plain English
Form 8379 lets the spouse whose refund was taken to pay the other spouse’s debt ask for their share back. You answer simple yes/no questions about the joint return and then split the income, deductions and credits. The form can be filed with the original return, an amended return, or on its own. A signature is required to certify the information.
Submission Date
- Filing date: 2024-11-27 22:10:31
- Preparation window: collect IDs, supporting records, and signatures in advance.
- Final review: verify names, dates, and required fields before submission.
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What this form is for
- Use this form when an injured spouse files a joint return and the joint overpayment was or is expected to be applied to the other spouse’s legally enforceable past‑due debt.
- Do not use it when you did not file a joint return or the overpayment was not applied to a spouse’s debt.
- Check Form 1040‑X instead when amending the original return to claim a joint refund.
Form selector
Use this form or another form?
Need to amend a previously filed joint return to claim a refund
Amended return required to adjust overpayment allocation
✓ Verify the original return was filed jointly
Address change affecting refund delivery
Updates IRS records to prevent misdelivery
✓ Confirm the change is permanent
Filing a joint return with the injured spouse allocation attached
Standard joint filing includes the allocation attachment
✓ Ensure Form 8379 is attached in sequence number 104
Deadline or filing window
If an overpayment is applied to a spouse’s past‑due debt, the injured spouse must file Form 8379. The filing window is the later of 3 years after the original return’s due date (including extensions) or 2 years after the tax was paid. Section 6511 may provide an extension in certain circumstances.
Checklist
What you need before filling it out
Tax year (line 1)
Tax year for which filing · Form 8379 Part I
Joint return filing answer (line 2)
Yes/No response · Form 8379 Part I
Spouse debt question (line 3)
Identify applicable debt type · Form 8379 Part I
Attachments (W‑2, W‑2G, 1099)
Copies of both spouses' W‑2, W‑2G, and any 1099 showing withholding · Instructions p.1
Attachment sequence number (upper right corner)
Number 104 · Form 8379
Before you submit
- 1Verify the form shows Rev. November 2023.
- 2Enter the correct tax year on line 1.
- 3Answer “Yes” on line 2 to indicate a joint return was filed.
- 4Answer “Yes” on line 3 to indicate the overpayment was applied to spouse’s debt.
- 5Attach copies of both spouses’ W‑2, W‑2G, and any 1099 showing federal tax withholding.
- 6If filing separately, attach a copy of the joint return.
- 7Enter “Injured Spouse” in the upper left corner of page 1 of the joint return.
- 8Attach Form 8379 in attachment sequence number 104.
How to file this form
- 1Determine eligibility as an injured spouse and gather relevant information.
- 2Complete Form 8379, entering the tax year and answering required questions.
- 3Collect required attachments: both spouses’ W‑2, W‑2G, 1099 forms, and the joint return copy if filing separately.
- 4Attach Form 8379 to the joint return in attachment sequence order 104 or mail it separately as instructed.
- 5Send the completed package to the appropriate IRS address.
- 6Retain a copy of the filed Form 8379 and all attachments for your records.
Known limitations
- 1Form 8379 does not apply if you did not file a joint return (Form p.1).
- 2Form 8379 does not apply if the IRS did not use the joint overpayment to pay a legally enforceable past‑due debt owed only by your spouse (Form p.1).
- 3Filing Form 8379 when no past‑due obligation exists will delay your refund (Instructions p.2).
- 4If you reside in a community‑property state, special calculation rules apply to the injured spouse refund (Instructions p.2).
Field map
Compact field-by-field guide
General Info
2 items
Full legal name and taxpayer identification number (SSN or EIN).
Current mailing address.
Details
2 items
Complete all applicable sections of this form according to the official IRS instructions.
Enter the relevant dollar amount if this form involves tax calculation.
Certification
1 items
Read and acknowledge any certifications required by this form.
Signatures
1 items
Sign and date. Unsigned forms cannot be processed.
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Fillable formOpen in Editor->Form 8379 shows Rev. November 2023 and the instructions show Rev. November 2024; the instructions direct users to www.irs.gov/Form8379 for the latest information.
What changed or needs a fresh check
- Edition date — confirm the form displays Rev. November 2023 (source)
- Instructions revision — confirm the instructions display Rev. November 2024 (source)
- Fee — Not stated in the official source
- Mailing address — Not stated in the official source
- Attachment sequence number — confirm it reads 104 (source)
Quick Facts
Downloads
After you file
- 1Retain a copy of the filed Form 8379 for your records.
- 2Expect processing to take about 8 weeks after submission (Instructions p.2).
- 3If filing with an amended return, submit Form 8379 together with Form 1040‑X (Instructions p.1).
- 4Monitor the status of your refund; if processing exceeds the typical 8‑week period, contact the IRS.
- 5If an error is discovered after filing, correct it by filing a new Form 8379 attached to a Form 1040‑X amendment (Instructions p.1).
Sources
- SRCInstructions p.1 — purpose of Form 8379 is to allow an injured spouse to claim back their share of a joint refund.
- SRCInstructions p.1 — use the November 2023 revision of Form 8379 for tax years beginning in 2023 or later.
- SRCInstructions p.1 — file Form 8379 within 3 years from the due date of the original return (including extensions) or within 2 years from the date you paid the tax, whichever is later.
- SRCInstructions p.1 — you may file Form 8379 with the joint return, with an amended joint return (Form 1040‑X), or afterwards by itself.
- SRCInstructions p.2 — processing time after a joint return has been processed is about 8 weeks.
- SRCInstructions p.2 — contact the Bureau of the Fiscal Service at 800‑304‑3107 to determine if a debt is subject to offset.
- SRCInstructions p.2 — community property states are Arizona, California, Idaho, Louisiana, Nevada, New Mexico, Texas, Washington, and Wisconsin.
- SRCInstructions p.3 — if the last return was joint, the spouse must also sign Form 8822 unless the injured spouse checks the box on line 1 indicating a separate residence.
- SRCInstructions p.3 — allocation is performed as if each spouse filed a separate tax return.
- SRCForm p.1 — if you did not file a joint return, you are not an injured spouse and should not file Form 8379.
- SRCForm p.1 — if the IRS did not use the joint overpayment to pay a legally enforceable past‑due debt of your spouse, you should not file Form 8379.
Common confusion points
Do I need to file Form 8379 if there is no debt?
I think any joint refund can be claimed, but the form only applies when the overpayment is offset to a spouse’s legally enforceable past‑due debt.
→ Verify that the IRS used the joint overpayment to pay a legally enforceable past‑due debt of your spouse (Form p.1).
Can I file Form 8379 after I have already received my refund?
I assume I can claim later, but the filing window is limited.
→ Ensure you file within 3 years from the original return’s due date (including extensions) or within 2 years from the date you paid the tax, whichever is later (Instructions p.1).
Do I have to file Form 8379 because I live in a community‑property state?
I’m unsure if the state changes the requirement.
→ Check whether your state is one of the listed community‑property states (Arizona, California, Idaho, Louisiana, Nevada, New Mexico, Texas, Washington, Wisconsin) (Instructions p.2).
Should I attach Form 8379 to my original return or can I wait?
I’m unclear on the timing options.
→ You may file Form 8379 with the joint return, with an amended joint return (Form 1040‑X), or afterwards by itself (Instructions p.1).
Do I need to sign Form 8822 for my spouse?
I thought only the injured spouse signs.
→ If the last return was joint, the spouse must also sign Form 8822 unless you check the box on line 1 indicating a separate residence (Instructions p.3).
Will filing Form 8379 affect how much my spouse receives?
I worry the allocation changes the total refund.
→ The allocation is calculated as if each spouse filed a separate return (Instructions p.3).
Workflow map
Related forms and next steps
Before
Current
After
Often used with
⚠ If something goes wrong
- Form 8822 – address change form that the spouse may need to sign.
Questions about IRS Form 8379
What is IRS Form 8379 used for?
Form 8379 lets the spouse whose refund was taken to pay the other spouse’s debt ask for their share back. You answer simple yes/no questions about the joint return and then split the income, deductions and credits. The form can be filed with the original return, an amended return, or on its own. A signature is required to certify the information.
Who must file IRS Form 8379?
The injured spouse—who had part of a joint overpayment applied to the other spouse’s legally enforceable past‑due obligations—must file IRS Form 8379.
What information does IRS Form 8379 require?
The form collects the tax year, answers about filing a joint return and whether the overpayment was offset to the spouse’s debt, and allocates income, deductions, nonrefundable and refundable credits between spouses. It also requires the injured spouse’s signature (and preparer signature if applicable).
When is IRS Form 8379 due?
Form 8379 must be filed within 3 years from the due date of the original return (including extensions) or within 2 years from the date the tax was paid, whichever is later. Certain circumstances in section 6511 may extend this period.
How do I complete IRS Form 8379?
Begin with Part I, entering the tax year and answering yes/no questions about filing a joint return and the offset of the overpayment. If filing separately, complete Part III by allocating amounts so column (a) equals columns (b) plus (c). When filing the form by itself, complete Part IV with the injured spouse’s signature and date. The form can also be attached to a joint return or an amended return (Form 1040‑X).
What happens if IRS Form 8379 is filed incorrectly?
Submitting false information on Form 8379 subjects the filer to penalties of perjury. An incomplete or incorrectly allocated form can cause the refund claim to be denied.
Do I need to file Form 8379 if there is no debt?
I think any joint refund can be claimed, but the form only applies when the overpayment is offset to a spouse’s legally enforceable past‑due debt. Verify that the IRS used the joint overpayment to pay a legally enforceable past‑due debt of your spouse (Form p.1).
Can I file Form 8379 after I have already received my refund?
I assume I can claim later, but the filing window is limited. Ensure you file within 3 years from the original return’s due date (including extensions) or within 2 years from the date you paid the tax, whichever is later (Instructions p.1).
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