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IRS Form 4598: How to Fix 1099-C Mistakes on Old Debt (2026 Guide)

Quick Answer: IRS Form 4598 was used to fix 1099-C mistakes — wrong amounts, wrong dates, and late filings on cancellation of debt forms. Important update (February 2026): A reader reported that the IRS told them Form 4598 is now obsolete. The current path for disputing an incorrect 1099-C is to call the IRS Under Reporting Department directly at 1-800-829-8310 — allow time to be transferred. Form 982 (insolvency exclusion) remains the primary tool for eliminating the tax liability itself.

A 1099-C showing up with mistakes — wrong amounts, wrong dates, or arriving for debt canceled years ago — doesn’t mean you owe taxes. It means someone made errors on the paperwork, and the IRS has a process to fix that.— Steve Rhode

Reader Update — February 2026: A reader named Deji called the IRS directly and was told that Form 4598 is now obsolete. Deji also reported that 1-800-829-1040 is a general line — the specific department that handles 1099-C discrepancies is the Under Reporting Department, reachable at 1-800-829-8310 (allow approximately 30 minutes to be transferred through). After speaking with the Under Reporting Department, Deji reported that Form 982 appears to be one of the primary options now available. This article has been updated to reflect that information. If you have called the IRS recently on this issue and have additional updates, please leave a comment.

You open your mail and find a 1099-C for a credit card you stopped paying in 2005. The creditor says you owe income tax on $12,000 of “forgiven” debt — in 2026. That debt was written off two decades ago. How is this legal?

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It’s called zombie debt — old obligations that creditors or debt buyers report to the IRS years after the debt was actually canceled. The 1099-C contains errors — wrong year, wrong amount, or both — and creates a tax bill that may not be legitimate. IRS Form 4598 is the little-known tool that fixes these 1099-C mistakes.

What Is IRS Form 4598?

Form 4598 is officially titled “Form W-2, 1098, or 1099 Not Received, Incorrect, or Lost.” It’s the IRS mechanism for correcting tax information documents that contain errors — wrong amounts, wrong dates, incorrect information, or forms that were never received.

For debt situations, Form 4598 fixes these common 1099-C mistakes:

  • A creditor issues a 1099-C years after the debt was actually canceled (wrong year)
  • The amount on the 1099-C is incorrect (wrong amount)
  • You never received a 1099-C that was filed with the IRS (lost form)
  • A debt buyer issues a 1099-C for debt they didn’t originally own (wrong issuer)

Important Update (February 2026): A reader who called the IRS was told that Form 4598 is now obsolete. The IRS’s current public-facing guidance no longer references Form 4598 in its instructions for disputing incorrect 1099 forms. The process described below reflects how Form 4598 worked historically — see the updated Step 1 below for current guidance on which number to call and which department handles these disputes.

Free Tool — 1099-C Tax Calculator: Received a 1099-C for cancelled debt? The free 1099-C Tax Calculator runs the exact IRS insolvency math from Publication 4681 Worksheet 2 — and covers the partial insolvency case most people miss. Run the Calculator →

Why Zombie Debt 1099-Cs Are a Problem

When a creditor cancels $600 or more of debt, they’re required to file a 1099-C with the IRS reporting the canceled amount as income to you. The problem: some creditors file this form years or even decades late.

20+ YearsSome 1099-Cs Arrive After Debt Written Off
$600Minimum Amount Triggering a 1099-C
10 DaysIRS Gives Creditor to Correct the Form

Here’s why late filing hurts you: Back when the debt was actually canceled, you may have been insolvent (liabilities exceeded assets). If so, you could have filed IRS Form 982 and owed zero taxes. But now, years later, your finances have improved. The late 1099-C makes it look like you earned that income this year — when your tax situation is completely different.

Warning: If you simply ignore a 1099-C, the IRS will treat the full amount as unreported income and send you a deficiency notice. You must take action — either file Form 982 (if currently insolvent), contact the IRS Under Reporting Department (1-800-829-8310) to dispute an incorrect or late 1099-C, or both.

How to File an IRS Form 4598 Complaint: Step by Step

CPA Jim Buttonow, a frequent contributor to this site, outlines the process:

Step 1: Call the IRS

Updated February 2026: Call 1-800-829-8310 to reach the IRS Under Reporting Department directly — this is the specific unit that handles 1099-C discrepancies. The general IRS line (1-800-829-1040) can also work, but expect to be transferred. Allow approximately 30 minutes of hold and transfer time to reach the right department.

A reader who called was told that Form 4598 is now obsolete. Ask the representative what the current process is for disputing an incorrect or late 1099-C — the Under Reporting Department can tell you what steps and forms apply to your specific situation.

Step 2: IRS Contacts the Creditor

The IRS sends a letter to the creditor (or debt buyer) requesting they furnish a corrected Form 1099 within 10 days. The letter warns the creditor about penalties for failing to correct the form.

Step 3: You Receive Form 4598

The IRS mails you a copy of Form 4598 along with instructions. If the creditor doesn’t provide a corrected 1099 in time, you use this form instead.

Step 4: Attach Form 4598 to Your Tax Return

File Form 4598 with your tax return. Be prepared to provide documentation that supports why the 1099-C amount is wrong or was issued for the wrong year.

Documentation Tip: Keep records of when you stopped paying the debt, when the creditor charged it off, any collection activity, and the statute of limitations expiration date in your state. These dates establish when the debt was actually discharged — which may be years before the 1099-C was issued.

Free Tool — Statute of Limitations Checker: Dealing with old debt? The free Statute of Limitations Checker tells you if the collection clock has expired in your state — including the zombie debt and clock-restarting traps collectors use. Check My Status →

When to Use Form 4598 vs. Form 982

These two forms solve different problems. You may need one or both.

Form 4598: Dispute the 1099-C

  • 1099-C was issued years after the debt was canceled
  • The amount on the 1099-C is wrong
  • The creditor who issued it didn’t own the debt
  • You never received the 1099-C but the IRS has a copy

Form 982: Exclude the Income

  • The 1099-C is accurate but you were insolvent at the time
  • The debt was discharged in bankruptcy
  • The debt was qualified principal residence indebtedness
  • The debt was qualified farm or real property business debt

Example: You stopped paying a $15,000 credit card in 2008. The creditor charged it off in 2009. A debt buyer issues a 1099-C in 2026 for $15,000. In 2009, you were insolvent — your debts exceeded your assets by $40,000. Today, you’re financially stable.

Strategy: File Form 4598 to dispute the 2026 filing date (the debt was discharged in 2009, not 2026). If the IRS still treats it as 2026 income, file Form 982 showing you would have been insolvent in 2009 when the debt was actually canceled. Your tax professional can argue the exclusion should apply to the year of actual discharge.

The Tax Court Agrees: Timing Matters

In Tax Case Summary 2012-46, the Tax Court ruled that a taxpayer did not have cancellation of debt income in the year a debt buyer issued a 1099-C — because the debt was actually discharged years earlier.

The facts: A borrower stopped paying a credit card in 1994. The lender charged it off in 1996 and stopped collecting in 1999. A collection company later bought the debt and issued a 1099-C in 2008 after the borrower told them to stop calling.

The Court applied a 36-month nonpayment testing period: if a creditor receives no payments for 36 months, a rebuttable presumption arises that the debt was discharged at the end of that period. The IRS failed to rebut this presumption.

The Reality: A 1099-C being issued does not determine when debt was canceled. The Tax Court has consistently held that the issuance of a 1099-C is an “identifiable event” but is not dispositive of when discharge actually occurred. The debt may have been discharged years earlier.

What About the Statute of Limitations?

Two different statutes of limitations matter here:

  • State collection statute: The time limit for a creditor to sue you for the debt (typically 3–6 years, varies by state). Expiration doesn’t cancel the debt but provides a legal defense.
  • IRS assessment statute: The IRS generally has 3 years from when you file your return to assess additional taxes. If you never reported the 1099-C income, the IRS may argue the statute hasn’t started running.

Warning: The expiration of your state’s collection statute of limitations does not automatically cancel the debt or eliminate the 1099-C tax issue. It only prevents the creditor from suing you. The tax obligation is a separate matter that requires Form 4598, Form 982, or both.

Can a Creditor Still Collect After Issuing a 1099-C?

Yes. A court has found that even after issuing a 1099-C, a creditor can still pursue collection of the old debt. The 1099-C is a tax reporting document — it does not legally extinguish the debt.

This creates an especially frustrating situation: you could be asked to pay income tax on “forgiven” debt while the creditor simultaneously tries to collect it.

Do You Need Professional Help?

If the amount on the 1099-C is significant — say $10,000 or more — the cost of professional tax help is almost certainly worth it. The tax court case above shows what happens when you have to fight the IRS on your own: you can win, but it’s expensive and stressful.

  • A CPA or Enrolled Agent can handle the Form 4598 process and file Form 982 if needed
  • A tax attorney may be necessary if the IRS issues a deficiency notice
  • Many tax professionals offer free initial consultations for 1099-C issues
  • Don’t ignore the 1099-C — the IRS will assume you owe the tax
  • Don’t panic and pay without exploring Form 4598 and Form 982 first
  • Don’t rely on the state statute of limitations alone — it doesn’t resolve the tax issue

Form 4598 and Form 982: The Combination Strategy

For zombie debt, the strongest approach often combines both forms:

  • Form 4598 disputes the timing — arguing the debt was discharged years before the 1099-C was issued
  • Form 982 disputes the taxability — arguing you were insolvent when the debt was actually canceled
  • Together, they establish that the correct tax year was years ago AND that you qualified for exclusion in that year

Key Takeaways

  • February 2026 update: Form 4598 appears to be obsolete — contact the IRS Under Reporting Department at 1-800-829-8310 to dispute an incorrect or late 1099-C
  • The general IRS line (1-800-829-1040) works as a starting point, but expect to be transferred to the Under Reporting Department
  • A 1099-C issued years after debt was canceled may not create tax liability in the current year
  • The Tax Court has ruled that the 1099-C issuance date does not determine when debt was discharged
  • Combine Form 4598 (wrong timing) with Form 982 (insolvency exclusion) for the strongest defense
  • Professional tax help is recommended for amounts over $10,000

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author avatar
Steve Rhode The Get Out of Debt Guy | Consumer Debt Expert
Consumer debt expert & investigative writer. Personal bankruptcy survivor (1990). Washington Post award-winning author. Exposing debt scams since 1994.

28 thoughts on “IRS Form 4598: How to Fix 1099-C Mistakes on Old Debt (2026 Guide)”

  1. I just off the phone with the IRS. Two things: 1. I was told form 4598 is obsolete. 2. The phone number reported is a more generalized number, the department that handles these situations is the “Under Reporting Department” and can be reached at 1-800-829-8310. It took me about 30 mins of talking to get transferred. Hope this helps.

    After talking to the under-reporting department, it sounds like form 928 is one of the only options left.

    Reply
    • Thank you for taking the time to call the IRS directly and report back — that is genuinely valuable and exactly the kind of real-world verification that helps everyone reading this.

      A few things worth noting from what you shared:

      On Form 4598 being obsolete. If the IRS told you directly that Form 4598 is no longer in use, I take that seriously. IRS forms and internal procedures change, and the agency doesn’t always update public-facing information quickly. I will look into this further and update the article if that is confirmed. The underlying process — disputing an incorrect 1099-C — still exists even if the specific form number has changed.

      On the phone number. The number in the article (1-800-829-1040) is the general IRS line, which is correct as a starting point. Your update that the Under Reporting Department — the specific unit that handles these situations — can be reached at 1-800-829-8310 is helpful, and I appreciate the heads up that it took about 30 minutes of routing to get there. That is a realistic expectation for anyone calling.

      On Form 982. I want to make sure we’re talking about the same form — the article discusses Form 982 (Reduction of Tax Attributes Due to Discharge of Indebtedness), which is the form used to exclude canceled debt income when you were insolvent at the time of cancellation. If the Under Reporting Department pointed you toward that route, that aligns with what the article covers. If they mentioned a different form number, it may be worth double-checking the number — it’s easy to transpose digits on a call like that.

      Form 982 and insolvency is often the most practical path when a disputed 1099-C can’t be fully corrected at the source. A tax professional familiar with canceled debt situations can walk you through the insolvency worksheet, which is where the real work happens.

      Thank you again for doing the legwork and sharing it.

      Reply
  2. 8/13/23
    I called the IRS at the number you listed and the representative could not find any information about filing a 1099-C complaint on my behalf. She was not able to locate any information about form 4598 nor was I able to find any information on the IRS website. Has that been eliminated? If so, what are our options now?

    Reply
  3. One of my clients just received a 1099-c for an S Corp that was closed in 2015. How should they handle this, do they break it down between shareholders?

    Reply
  4. FYI the link to the Federal Register 4/13/2007 pertains to proposed data collection, nothing to do with debt collection. Paperwork Reduction Act stuff….I hope the process to dispute zombie debt is still valid. Getting 1099s long after debt required to be moved from asset to liability on a bank bal sheet means the bank (if a bank) violated Fed law in not timely discharging debt. Doesn’t that add some leverage to the consumer? Do you have the specific rule or code the bank has to comply with? It’d be nice to send that letter….

    Reply
  5. I called the IRS and was told that Form 4598 is obsolote: Is that true/is there an alternative?
    Thank you for this informative post

    Reply
  6. After doing a lot of research on the issue- its seems like in the majority of cases involved are from very old debt- over 36 months and longer. The big issue is that we NOW have to claim it on our current tax return as income- raising our income tax liability.This amount is “usually more than we were expecting or can afford to pay” the IRS at this time. The IRS/ government benefits from the additional tax revenue -so you can see why they are NOT in a big hurry to help in this situation. Actually- they have found a way to benefit from it – in the collection of additional tax revenue. The collection companies also benefit from the write off. Perhaps their thoughts were -” that we- the person that didn’t pay our debt also “benefited” . This is where I see issues of concern. 1.The amount that is on the 1099-C form is about 20% more than the actual debt amount- and sometimes almost 50% more than the “actual debt was” at time of last payment. 2. Most of the time an amended return can’t be filed because of the statue of limitations. 3. There has Not been any real credit collection activity to justify the “Increased in the write off expenses.” 4.The IRS only has “a run around system” in place right now- HENCE: you need to call them directly 1-800—— and let them know of the 1099-C Filing Date ERROR- that will start the request for a new 1099-C form – from the company that sent you the 1099-C requesting a corrected form for the year the debt was “Actually” dissolved- In the mean time- they will send you a form- “that is NOT on their website” to use for this years filing- **************But be sure and document all your calls and correspondence*************. 5. If we weren’t able to pay the debt then- its highly unlikely that we can even pay the taxes on the dept now- without causing some sort of financial hardship. So in essence we didn’t really benefit from the right off as much as everyone else has. 6. There has been conflicting information on whether or not the debt is still considered collectible by an agency or not. Most reports say that it is still past due and collectible??????????. Another article stated that if you received any other collection activity after a 1099-C was issued – to document the call and/or any other collection notice and immediate call an attorney. Hope this helps… someone-

    Reply
  7. TWO ISSUES: I received a “Tax Statement for year 2017” from Bank of America which is not formatted like a 1099-C, but it claims this information is being provided to the IRS. It claims a $29k cancellation of debt for a debt that has not been paid on since 2009 and has had no collection activity since 2011 or so. Can I assume this falls in the same category as the example in your article (Tax Case Summary 2012-46)?

    The other issue is that I received TWO copies of this statement because the debt was in my business name, which was a partnership with my wife, so they seem to have reported the same debt twice, once for EACH of us and now if I can’t fight the reported income due to the statute of limitations and file as Head of Household, is the IRS going to see this as TWO discharged debts of $29k each??

    Reply
  8. I just received a notice from the IRS proposing changes to my 2016 form 1040 tax return stating a cancellation of debt from Capital One N.A. for the amount of $8,696 in which they added to my income for 2016 which I have NO idea what this is for but they are wanting me to pay taxes of $2,244………I have called Capital One in which I spoke to 5 people before anyone knew anything about what I was talking about and then was very vague on what this is about. I spoke with the IRS which told me to contact Capital One to get documentation to try and prove my case which AGAIN I Have NO idea what this could be about. I am just angry and upset due to I did not owe this amount and Never received this amount so how can they tell me I owe taxes on something I have no clue about. Any advice on what I need to do ??????

    Reply
  9. Turns out, the get out of debt people above won’t even talk to you unless your tax liability is over 10k. He forgets to mention that with his “helpful” end to the article to call if needed. For a tax debt to be over 10k, the cancelled debt would have to be over 100k. How many people does that apply to? Thanks for the lack of help debtguy!

    Reply
  10. Firstly, thank you for the information and insight. You
    would think with the skyrocketing occurrence of the 1099-C since the 2008
    recession there would be more information and professional experience out there
    on how to deal with them.

    I have a question in regard to the IRS procedure for handling a dispute to a 1099-C -related CP2000. I recently received a CP2000 for the tax year 2013 stating that I owe additional tax due to COD income from a 1099-C. I didn’t address this issue on my 2013 tax return because I didn’t receive the 1099-C or any notice of the cancelled debt. I’m considering disputing the CP2000 on the grounds that the last payment was made to said account in 2008 and the 36-month non-payment testing period expired in 2011. So the first identifiable event indicating that this debt was discharged occurred in 2011, not in 2013 when the 1099-C was issued.

    After reviewing my initial response, if the IRS agrees,
    could they simply correct the issue or is this likely to turn into a lengthy appeals
    process or possibly even tax court? And will I still have the option to pay
    if I don’t want to appeal or go tax court?

    Thank you again.

    Reply
  11. The real issue is that there is no direct form to notice the IRS of a FRAUDULENT 1099C filing.
    The law is clear that Jan 31 following the FIRST idenitifiable event occurs the creditor MUST file a 1099C. NOTE THAT THE WORD IS IMPERATIVE. Failing to file at the first idenitfiable event includes the packaging for sale of an unpaid debt, or Jan 31 following 3 years of nonpayment or charge off by the creditor, or ceasing to attempt collection (this includes failure to send billing on a regular basis and failure to file suit, it by definition must be no later than the stautory date to file a suit for recovery in a given state). If any of these have taken place then the creditor MUST send the 1099C the following Jan 31 by law. Sending it any other time is fraud by definition.
    The IRS should be charging fines (generally 100% penalty fines should be given) for failure to send the 1099C at the required time or filing it after the first event. This means that the Creditor should be charged with the income if the amount was not 1099C to the debtor in accordance with LAW.

    Remember that since PACKAGING for SALE is a specificly identifiable event, and since under UCC the date of a sale MUST be EXACT and KNOWN, that there is something specificly wrong about the above discussed case. There is NO way that any court of law can recognize a sale and transfer that has no known date. There must have been a contract, a payment and a delivery of the note by definition. If no one can show a payment then the sale itself never took place. The entire argument made in court was therefore fraudulent on its face and in violation of UCC.

    According to what I have been reading the Courts are agreeing that if the law required a 1099C to be sent in a prior year, then sending it in a later year does not create an income in that year, but instead that income was to the prior year and not applicable as it was never reported as required under law. The creditor having failed to send that information creates an IRS liability NOT to the debtor, but to the creditor. It is the same as if your employer failed to send a W statement of earnings, except that with an employer you might be held responsible because you knew or should have known of income whereas with a charged off debt you by definition had no direct knowldege of amounts and when or if the creditor caused the event conditions of a required 1099C. You could only have known under specific circumstances that must be proven.
    Congress and Senate should make it VERY clear that a compliant and investigation form for FRAUDELENT 1099 forms be in place and that prosection for TAX FRAUD on creditors take place upon filing of the document. It would be wise to allow a 10% whistle blower fee to be paid to the debtor for reporting the fraud just as with any other fraud report to the IRS. The form 1099C instructions even states that false information or fraudulent filing is illegal if I recall.
    The issue is that we are reliant upon the courts to set precident without setting rules and procedures, they leave that (or not) to the bureaucrats. That is dangerous and insane in itself.

    Reply
    • Ok, so I have just received a zombie debt collection 1099c form from a credit card that I stopped paying on August 2005 due to unemployment. I tried to go back in 2008 and pay all my creditors that I owed, but was unable to find who owned this one credit card since it had been sold multiple times. The last contact I received from them was August 2006. The statute of limitations for collections is 6 years in Ohio, so that has past. They did not sue me and no liens were placed. I have not had any contact from anyone regarding this credit card. Now I have a 1099c issued April 2014 in the amount of 10,000, which has been added to my income for last year. I am currently unemployed again. I have spoke to two CPA’s and the IRS twice. No one can help me with this problem. I have mentioned IRS form 4598 also. Any advice would be helpful.

      Reply
    • I like your input. However, you keep mentioning the LAW but wasn’t specific on which statute or section. Can you be more specific so I can reference it? Thank you in advance!

      Reply
    • dje3;
      I like your input. However, you keep mentioning the LAW but wasn’t specific on which statute or section. Can you be more specific so I can reference it? Steve Rhode do you know specifics on this? Thank you in advance!

      Reply
  12. Can more than one debt collector send you a 1099-C for the same debt? If bank “A” sends you a 1099-C, and then sells the debt, can the third party debt collector also send you a 1099-C later?

    Reply
  13. So let me see if I understand this 1099-c issue. Please consider I only hold a
    high school diploma, so I confess I’m not the sharpest knife in the education drawer. Some
    Tax payer is being told they received income in the tax year 2012 that was NOT
    Earned or Unearned but was really an uncollected debt from way back when, owed
    to somebody or institution, right? That makes no since! Not in
    an economy that is in the toilet with Sequestration just around the bend and
    unemployment riding in the HIGH 7s? Not to mention Gas hovering at $4 a
    gallon refined. Did I mention millions of foreclosures that banks can’t seem to
    foreclose for some odd reason?? Why doesn’t the tax payers get a Debt Bail-Out
    if this debt is so IRS Friendly and so economically UNFRIENDLY?. Now I can understand why Home Land Security
    is buying up so much AMO. What??? have the people of this
    great country gone out of the their minds? We allow this sort of oppression and
    think America can tolerate even more of this shame, called a financial hurricane and an
    obvious a Ponzi scheme at unheard of proportions?
    We all better hope the atheists are right and there is NO GOD! I certainly
    wouldn’t want to have to deal with an Unloving God on that miserable day.

    Reply
    • I think the issue that rips everyone up here is that there are two issues. One is an accounting function which triggers a tax issue and the other one is the debt.

      Back in the 80s after the S&L crisis the banks were required to report bad debts on their books rather than show inflated balances of non-performing debt. Once the mandatory charge off went into force that triggered the IRS 1099-C reporting.

      Now, if you are insolvent, you can be exempt from paying any tax due with IRS Form 982.

      That accounting/tax event has nothing to do with the legal sale and collection of a valid debt.

      I know it sounds crazy but since the 1980s that’s the way it works.

      Reply

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