Form 8379 — Injured Spouse Allocation
Form 8379 is used by an "injured spouse" — a spouse whose share of a joint tax refund was (or will be) applied to the other spouse's past-due debts, including federal taxes, state taxes, child support, or student loans. The injured spouse can claim their share of the refund by filing Form 8379. For tax professionals, Form 8379 is important for clients in blended families or where one spouse has pre-marital tax debts.
Key Rules and Authority
| Rule | Detail |
|---|---|
| Injured Spouse | Refund offset — Form 8379 |
| Innocent Spouse | Liability relief — Form 8857 |
| Allocation Method | Based on each spouse's income and withholding |
| Community Property | Special rules apply |
| Filing with Return | Attach to joint return or file separately |
| Processing Time | 8–11 weeks (longer if filed separately) |
Injured Spouse vs. Innocent Spouse — The Critical Distinction
These two forms are frequently confused but address completely different problems. Form 8379 (Injured Spouse) is for a spouse whose share of a joint refund was offset to pay the other spouse's pre-existing debt (federal taxes, state taxes, child support, student loans). The injured spouse is not claiming relief from tax liability — they are claiming their share of the refund. Form 8857 (Innocent Spouse) is for a spouse who is seeking relief from joint and several liability for taxes owed on a joint return — typically because the other spouse underreported income or claimed improper deductions. The innocent spouse is seeking to avoid paying a tax debt, not recover a refund.
Frequently Asked Questions
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