Innocent spouse relief: three kinds, three different tests
A joint return makes both signatories liable for the whole amount, regardless of who earned the income or who prepared it. Section 6015 provides three routes out, and they are not interchangeable.
THE CLOCK — TWO YEARS FOR TWO OF THE THREE ROUTES
Traditional relief and separation of liability must be requested within two years of the first collection activity against you. Equitable relief is not subject to that two-year rule and is generally available while the collection period remains open, or within the refund period where a refund is sought.
Why the liability exists at all
Filing jointly makes each spouse liable for the entire tax on the return, and for anything later assessed on it. That is not affected by who earned the income, who ran the business, who prepared the return, or by a divorce decree assigning the debt to the other person.
A divorce decree binds the two of you. It does not bind the IRS, which was not a party to it. This is the single most common surprise in this area: someone with a decree stating their former spouse is responsible for the tax finds the IRS collecting from them anyway.
Relief under section 6015 is the mechanism that actually separates the liability as against the IRS, and it has to be applied for.
The three routes
Traditional relief applies to an understatement of tax on a joint return that is attributable to your spouse — unreported income, an improper deduction, an overstated credit. You must show you did not know and had no reason to know of it when you signed, and that it would be inequitable to hold you liable. The knowledge test is the hard part, and it is judged on what a reasonable person in your circumstances would have known, including from an unexplained rise in the household's standard of living.
Separation of liability allocates a deficiency between the two of you as though you had filed separately, and it is available where you are divorced, legally separated, widowed, or have not been members of the same household for the twelve months before the request. It does not require you to show it would be inequitable — but it does not apply where you had actual knowledge of the item, and it does not produce a refund.
Equitable relief is the residual route where neither of the others fits. It is also the only one that can reach an underpayment — where the return was correct but the tax shown on it was never paid, which is a very common situation and is outside the other two entirely.
| TRADITIONAL §6015(B) | SEPARATION §6015(C) | EQUITABLE §6015(F) | |
|---|---|---|---|
| Reaches an understatement | Yes | Yes | Yes |
| Reaches an unpaid balance on a correct return | No | No | Yes |
| Marital status condition | None | Divorced, separated, widowed or living apart | None, but weighed as a factor |
| Two-year deadline | Yes | Yes | No |
| Can produce a refund | Yes | No | Sometimes |
What is weighed in an equitable claim
The published factors are the ones to speak to directly, because they are what the determination is written against.
Marital status now. Whether you would suffer economic hardship if relief were denied. Whether you knew or had reason to know of the item or that the tax would not be paid. Whether either spouse had a legal obligation under a decree. Who received a significant benefit from the unpaid tax or the understatement. Compliance with tax laws in the periods since. And mental or physical health at the time the return was signed and at the time of the request.
Abuse and financial control are weighed specifically and can outweigh the others, including the knowledge factor. Where one spouse controlled the finances, or where signing was not genuinely voluntary, that is squarely relevant and should be stated rather than implied.
There is also a streamlined determination available where certain conditions are all met — no longer married, economic hardship, and no knowledge — which resolves qualifying cases without the full weighing.
Injured spouse is a different thing
The names are confusingly similar and the remedies are unrelated.
Injured spouse allocation applies where a joint refund is taken to pay a debt that belongs to your spouse alone — student loans, child support, or their separate tax liability. You are asking for your share of the joint refund back. The instrument is Form 8379, and it can be filed with the return or afterward.
Innocent spouse relief applies where you are being held liable for tax on a joint return and want that liability removed. Different form, different test, different outcome.
One further point of process: when you request innocent spouse relief, the IRS is required to notify your spouse or former spouse and to give them an opportunity to participate. There is no confidential version of this. Where safety is a concern, your address and personal information are protected, but the notification itself happens.
Where this comes from
The statutes behind this page, so you can check any of it rather than take it on trust.
- IRC §6013(d)(3)
- Joint and several liability: each spouse is liable for the entire amount on a joint return.
- IRC §6015(b)
- Traditional relief — an understatement attributable to the other spouse, which you did not know and had no reason to know of, where it would be inequitable to hold you liable.
- IRC §6015(c)
- Separation of liability — allocation of the deficiency between spouses who are divorced, separated, widowed or living apart.
- IRC §6015(f)
- Equitable relief — where neither of the above applies but holding you liable would be inequitable. The only route that can reach an underpayment as well as an understatement.
- Rev. Proc. 2013-34
- The factors weighed in equitable relief, and the streamlined determination where certain conditions are met.
This page explains what the IRS or the Massachusetts Department of Revenue does and cites the statute. It is not advice about your situation, which depends on facts none of this knows. Tell us what your letter says and what date is on it. Please do not send Social Security numbers or tax documents through the form.
Notice CP14
The first balance-due notice the IRS sends. It is a bill, not an enforcement action — and it is the point at which the widest set of options is still open.
Collection due process
An independent review of a proposed levy or a filed lien, with judicial review behind it. It is the strongest procedural right in collection, and it is available in a 30-day window that most people miss.
Unfiled tax returns
Almost every serious collection case has unfiled periods behind it. Nothing else can be resolved until they are in — and the returns the IRS prepares in your place are, by design, the worst possible version of your tax position.
Penalty abatement
Two separate routes with different tests. One depends only on a clean compliance history and is granted administratively. The other depends on what happened and why, and is argued.
Questions about innocent spouse relief.
- My divorce decree says the tax is his. Does that settle it?
- Not as against the IRS, which was not a party to the decree and is not bound by it. The decree may give you a claim against your former spouse. Removing the IRS liability requires relief under section 6015.
- The return was right, we just never paid it. Which route?
- Equitable relief. Traditional relief and separation of liability apply to an understatement — an error on the return. An unpaid balance on a correct return is reachable only under the equitable route.
- Is there a deadline?
- Two years from the first collection activity against you for traditional relief and separation of liability. Equitable relief is not subject to that rule and is generally available while the collection period is open, or within the refund period where a refund is sought.
- Will my former spouse find out?
- Yes. The IRS is required to notify the other spouse and give them the opportunity to participate. Your address and personal information are withheld, but the request itself is not confidential.
- I signed without reading it. Is that enough?
- By itself, usually not — a signature carries a duty of reasonable inquiry. What can be enough is showing you had no reason to know, given what you were told and what you could see, or that abuse or financial control made real inquiry impossible.
- What if the IRS denies it?
- There is an appeal to the Independent Office of Appeals, and after that a right to petition the Tax Court, which reviews these determinations. The deadlines are stated on the determination letter.
Tell us what the letter says and what date is on it.
Scope and price in writing before anything starts. Where what you need is something we do not do, you will be told that instead.
Please don't send Social Security numbers or tax documents through this form.