Innocent Spouse Cases in Tax Court | Kathryn Meyer Law PC

Yes. If the IRS denies innocent spouse relief in whole or in part, you can petition the U.S. Tax Court no later than 90 days after the IRS mails its final determination letter, and if the IRS has not decided within 6 months after you filed Form 8857, you can petition without waiting (IRC 6015(e)(1)(A)). The court decides the case anew, but generally on the administrative record the IRS had when it decided, plus any newly discovered or previously unavailable evidence.

Because the record is largely fixed before the case reaches court, what you give the IRS while your claim is pending matters as much as what happens in court. Spousal relief cases sit between Kathryn Meyer's collection work and her tax litigation practice.

How a spousal relief case reaches the Tax Court, step by step

You file Form 8857 asking for innocent spouse relief (IRC 6015(b)), separation of liability (6015(c)), or equitable relief (6015(f)). The claim itself, the deadlines for each type and what the IRS weighs are covered in innocent spouse relief.
The IRS considers it and contacts the other spouse, who may give information. If the IRS proposes to deny relief, IRS Publication 5 says you can appeal in writing to the Independent Office of Appeals, for example with Form 12509, Innocent Spouse Statement of Disagreement.
The IRS mails a final determination. The 90 days to petition run from the date the IRS mails that notice by certified or registered mail to your last known address.
Or the IRS does not decide. If 6 months pass after you file Form 8857 without a final determination, you may petition then (IRC 6015(e)(1)(A)(i)(II)).
You file the petition. Tax Court Rule 321 titles it "Petition for Determination of Relief From Joint and Several Liability on a Joint Return." It states your name, legal residence and address, the facts supporting jurisdiction and relief, the relief you want, and the other spouse's name and address if available, with the IRS's determination (or your Form 8857 if none was issued) attached. The filing fee is $60.
The other spouse is told and may join. Under Rule 325, the IRS must serve notice of the petition on the other spouse within 60 days after the petition is served, and that spouse may intervene by filing a notice within 60 days after being served.
The court decides. Review is de novo, based on the administrative record at the time of the determination and any additional newly discovered or previously unavailable evidence (IRC 6015(e)(7)).

Deadlines and protections at a glance

Rule	What it does	Source
Earliest time to petition	After the final determination is mailed, or 6 months after you filed the claim, whichever is earlier	IRC 6015(e)(1)(A)(i)
Latest time to petition	The 90th day after the final determination is mailed	IRC 6015(e)(1)(A)(ii)
Collection while you decide	No levy or court collection against you on the assessment in your claim until the 90 days end, or, if you petition, until the decision is final	IRC 6015(e)(1)(B)
Collection clock	Suspended while collection is barred and for 60 days after	IRC 6015(e)(2)
Bankruptcy	The 90 days are suspended while a bankruptcy case bars filing, and for 60 days after	IRC 6015(e)(6)
Small case option	Available if the relief sought is $50,000 or less for all years combined	IRC 7463(f)(1); Tax Court case procedure page

The levy restriction can be enforced: IRC 6015(e)(1)(B)(ii) lets a court, including the Tax Court once a timely petition is filed, stop a levy or proceeding started while the restriction applies. How the collection clock works more generally is explained in how long the IRS has to collect a tax debt.

Why the administrative record matters so much

Section 6015(e)(7), added by the Taxpayer First Act, says the Tax Court reviews these cases "de novo," meaning it makes its own decision rather than deferring to the IRS, but bases that decision on the record established at the time of the determination plus any "newly discovered or previously unavailable evidence." Publication 5 draws the practical lesson: both the requesting and the non-requesting spouse should give the IRS all relevant, available evidence before it issues its final determination.

In practice, that means building the case at the Form 8857 stage: statements about who handled the finances, records showing what you knew and when, the divorce decree or separation agreement, and evidence of any abuse or financial control. Waiting to present those facts in court risks having them excluded if they were available earlier. The general rules on who must prove what are in who has to prove what in a Tax Court case.

Where the spouses are divorcing, the joint-year tax can also be addressed in the settlement, as explained in what tax issues to settle in a divorce.

What changes the answer

Which relief you asked for. Relief under 6015(b) and (c) applies to understatements in a deficiency; equitable relief under 6015(f) can also reach unpaid tax shown on the return. The petition right in 6015(e) covers all three.
Whether a refund suit is filed. If either spouse begins a refund suit for the same years, the Tax Court loses jurisdiction over the spousal claim to the extent the district court or Court of Federal Claims takes it (IRC 6015(e)(3)); the forums are compared in Tax Court, district court or the Court of Federal Claims.
Whether you agree with the IRS. If you agree with its determination, IRC 6015(e)(5) lets you waive the collection restrictions in writing.
The amount. If $50,000 or less of relief is sought for all years, small case procedure is available, with no appeal; see small tax case or regular case.
Where you live. An appeal goes to the court of appeals for your legal residence (IRC 7482(b)(1)(F)); see whether you can appeal a Tax Court decision.
The other spouse's role. A non-requesting spouse may intervene in the case under Rule 325, and Publication 5 notes that a non-requesting spouse can appeal within the IRS when relief is granted, but cannot appeal an IRS denial.

For example: a denial after a divorce

For example, imagine a woman who filed joint returns with her former husband, who ran a small business. After their divorce, the IRS assessed tax on business income he had not reported, and she filed Form 8857 asking for separation of liability and, in the alternative, equitable relief. She sent the IRS her divorce decree, bank records showing he controlled the business account, and a statement about how the family finances were handled. The IRS's final determination, mailed by certified mail on June 2, denied relief in part. She counts 90 days from June 2 and files a Rule 321 petition, attaching the determination and listing her former husband's address. The IRS serves him notice within 60 days, and he files a notice of intervention. Because she put her documents before the IRS during the claim, the court's de novo review has the evidence it needs; a new witness she located after the determination may also be considered as previously unavailable evidence. Throughout, levies on the assessment in her claim remain barred. This is a hypothetical, not a real case.

Common mistakes in spousal relief cases

Holding back evidence for court. The court's review is generally limited to the administrative record plus newly discovered or previously unavailable evidence.
Counting from the wrong date. The 90 days run from the mailing of the final determination, not from when you open it.
Waiting past 6 months without acting. You may petition once 6 months pass with no determination, rather than waiting indefinitely.
Relying on the divorce decree. A decree does not bind the IRS; it is evidence, not relief.
Forgetting the other spouse. The petition should give the other spouse's name and address if available, because that spouse is entitled to notice.
Starting a refund suit without thinking through jurisdiction. It can take the spousal claim out of the Tax Court.

What to do this week

Find the date the final determination was mailed, or the date you filed Form 8857 if no decision has come.
Count 90 days from the mailing date, or note when 6 months from filing will pass.
Gather everything you gave the IRS during the claim, and list any evidence you found later.
Locate the other spouse's current mailing address for the petition.
Decide whether small case procedure fits the amount of relief you seek.

Frequently asked questions

Can your former spouse oppose the petition?

Yes. Under Rule 325 the other spouse may intervene and become a party, and any new matters in the notice of intervention are deemed denied.

Does the Tax Court defer to the IRS's decision?

No. IRC 6015(e)(7) calls for de novo review, though on the administrative record plus newly discovered or previously unavailable evidence.

Can you petition before the IRS decides?

Yes, once 6 months have passed since you filed the claim without a final determination; the court's petitioner guidance says the same.

Is the filing process different from a deficiency case?

The petition has a different title and contents under Rule 321, but the filing system and fee are the same; see how to file a petition in the U.S. Tax Court.

Can spousal relief be raised in a collection hearing?

Yes, spousal defenses can be raised at a Collection Due Process hearing, together with Form 8857; see what a Collection Due Process hearing is.

Can the case settle?

Yes. Docketed cases can be resolved by agreement, as described in whether a Tax Court case can settle before trial.

Should tax issues be settled in the divorce itself?

A divorce is one of the life events at which tax questions can be addressed before they become disputes, as described under strategic tax counsel.

Bringing a denial to court

A spousal relief case is often decided by the record built before the IRS's final determination, and the 90-day petition deadline is short. Kathryn Meyer spent more than two decades in the IRS Office of Chief Counsel, which defends these determinations in the Tax Court, and now represents taxpayers. If you have a denial or are still waiting on a claim, contact the firm or call (571) 560-8674.

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