7 Offer in Compromise Mistakes That Lead to Return, Rejection, or Delay

If you’re considering an IRS Offer in Compromise, it’s easy to get tripped up by eligibility rules, paperwork, and deadlines that can lead to a return, rejection, or long delay. This guide breaks down the most common Offer in Compromise mistakes and explains what “returned” vs. “rejected” typically means so you can understand how the IRS evaluates a tax debt settlement. ReferU.AI can help by matching you with a tax attorney who has demonstrated experience handling Offer in Compromise cases and IRS tax resolution issues.

7 Offer in Compromise Mistakes That Lead to Return, Rejection, or Delay
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7 Offer in Compromise Mistakes That Lead to Return, Rejection, or Delay

If you’re looking into an IRS Offer in Compromise, it’s easy to focus on the settlement number and overlook the process itself. That’s often where cases get into trouble. Many Offers in Compromise never make it to a true merits review because they’re returned as nonprocessable, rejected after financial analysis, or delayed by missing documents, compliance issues, or payment problems.
An Offer in Compromise, or OIC, is an agreement that may allow a taxpayer to settle tax debt for less than the full amount owed, but the IRS applies detailed eligibility, documentation, and compliance rules before an offer gets accepted. The IRS explains that taxpayers generally have to be current on required filings, estimated payments, and federal tax deposits, and an open bankruptcy case generally prevents the IRS from considering an offer at all. The agency also distinguishes between a return and a rejection: a rejected offer comes with appeal rights, while a returned offer generally does not. IRS Topic No. 204, IRS OIC FAQs, IRS Internal Revenue Manual 8.23.1, IRS Internal Revenue Manual 5.8.7
In this post, you’ll learn seven of the most common OIC mistakes that lead to return, rejection, or delay, what those terms usually mean in practice, and where taxpayers often benefit from getting experienced legal help early. If you want a broader foundation first, it may help to start with this overview of how OIC settlements, financial disclosure, and acceptance risk usually work.
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Why Return, Rejection, And Delay Are Not The Same

Before getting into the mistakes, it helps to separate three outcomes that many people lump together.
A returned offer often means the IRS decided it could not continue processing the submission, frequently because of eligibility, compliance, or procedural defects. The Taxpayer Advocate Service notes that the IRS can return an offer if it does not meet processability criteria, and the IRS’s internal guidance explains that return procedures apply when an offer is no longer processable or appears to have been submitted solely to delay collection. Taxpayer Advocate Service OIC Page, IRS Internal Revenue Manual 5.8.7, IRS Internal Revenue Manual 5.8.3
A rejected offer usually means the IRS reviewed the case and concluded the amount offered did not reasonably reflect collection potential or the legal basis was otherwise not established. The IRS states that a rejection triggers written notice and appeal rights. Taxpayers generally have 30 days from the date on the rejection letter to request an appeal, often using Form 13711. IRS Internal Revenue Manual 8.23.1, IRS Tax Tip On Appealing A Rejected OIC, Form 13711
A delay can happen even when an offer is technically processable. Missing bank statements, vague asset values, inconsistent income figures, or unresolved filing issues can stretch the timeline and increase the odds of a bad result. Historically, government reports have found that delays can come from both taxpayer documentation problems and IRS inactivity. GAO-04-95, GAO-06-525
That distinction matters because the next move often depends on which bucket the case falls into.

1. Filing Before You’re Actually Eligible

One of the most common OIC mistakes is filing too early.
The IRS says taxpayers generally qualify for consideration only if they have filed all required tax returns, received a bill for at least one debt included in the offer, made all required estimated tax payments for the current year, and, if they operate a business with employees, made required federal tax deposits for the current quarter and the two preceding quarters. The IRS FAQs say the same thing in plain terms: required returns, estimated payments, and deposits all have to be current. IRS Topic No. 204, IRS OIC FAQs
This catches a lot of people because “I’m trying to fix it” and “I’m currently compliant” are not the same thing in OIC review. Someone may have old tax debt and a good reason for falling behind, but if current-year estimated payments are short or payroll deposits are missing, the offer can stall or be returned.
This issue shows up especially often with self-employed taxpayers and small business owners. A person may be focused on prior-year liability while the IRS is looking at current compliance first. In general terms, that often means the settlement discussion never really starts.
A tax attorney may be able to help identify whether the case is ripe for an OIC now, or whether another collection resolution path makes more sense while current compliance gets cleaned up.

2. Sending The Wrong Fee Or Initial Payment

Another common process failure involves the money that goes in with the offer.
For most doubt-as-to-collectibility OICs, the IRS requires an application fee plus an initial payment, unless an exception applies. Under current IRS guidance, low-income qualifying individual taxpayers can be exempt from the application fee and the required initial or periodic payments while the offer is under consideration. Offers based on doubt as to liability also follow different rules. IRS Internal Revenue Manual 8.23.1.5.1, IRS Form 656 Booklet, Taxpayer Advocate Service OIC Page
The payment structure also changes depending on the offer type:
  • Lump sum cash offer: generally 20% of the proposed offer goes in with Form 656
This sounds mechanical, but it’s a major source of returns and delays. Taxpayers sometimes send no payment, send the wrong amount, select the wrong payment option, or claim the low-income certification without completing the required section of the form package. IRS procedures specifically address offers that arrive without the required payment or with incomplete low-income certification. IRS Internal Revenue Manual 5.8.2, IRS Form 656 Booklet
This is also one reason form preparation matters more than many people expect. A technically fixable payment issue can still add weeks or months to a case.

3. Understating Income Or Overstating Expenses In Financial Disclosures

This is where many offers move from “delay” into “rejection.”
The IRS evaluates a taxpayer’s reasonable collection potential, often called RCP, when deciding whether an offer amount is acceptable. The IRS explains that RCP is how it measures the taxpayer’s ability to pay. That analysis depends heavily on the financial disclosures submitted with Form 433-A (OIC) or 433-B (OIC), along with backup documents. IRS Topic No. 204, IRS Form 656 Booklet
Problems often appear when the numbers on the forms do not line up with:
  • bank statements
  • pay stubs
  • profit-and-loss statements
  • retirement account records
  • vehicle values
  • real estate equity
  • recurring transfers between accounts
  • personal expenses running through a business account
The IRS’s appeal guidance tells taxpayers to review the income, expense, and asset/equity tables that came with the rejection letter and to gather supporting records for disputed items. That’s a strong hint that weak documentation is frequently part of the problem. IRS Tax Tip On Appealing A Rejected OIC
In practice, this mistake is not always intentional. Some taxpayers genuinely do not know which expenses the IRS may allow, how shared household costs are treated, or how quickly an examiner may spot inconsistencies across multiple forms and statements.
If your finances are complicated, this is often where it helps to understand the broader issues around putting together OIC financial disclosures without creating extra problems. A careful legal review may also help separate a supportable hardship presentation from numbers the IRS is likely to challenge.

4. Ignoring Asset Equity, Dissipated Assets, Or Transfer Questions

A surprising number of taxpayers focus almost entirely on monthly cash flow and underestimate how much the IRS cares about assets.
The IRS’s OIC process looks not only at income and expenses, but also at equity in homes, vehicles, bank accounts, investments, retirement funds, and other assets. The Form 656 booklet and OIC evaluation rules are structured around that broader financial picture, not just what a taxpayer can spare each month. IRS Form 656 Booklet, IRS Topic No. 204
This can create trouble when a taxpayer:
  • uses an old or unsupported property value
  • leaves out an account with a low current balance but significant recent activity
  • fails to explain a recent transfer to a family member
  • assumes retirement funds do not count
  • overlooks equity in business assets
  • does not address why money was spent or moved before filing the offer
Even when the omission is accidental, the result can be serious. The IRS may recalculate the offer amount, question credibility, request more records, or reject the offer because the proposed amount does not reflect collection potential.
This is one reason many OIC cases turn on presentation and documentation, not just eligibility. A taxpayer may believe the offer is reasonable, but if the asset story is incomplete, the IRS may see the file very differently.

5. Filing While Bankruptcy Is Open

This one is more straightforward than many people expect: the IRS says it generally will not consider an administrative OIC while a taxpayer is in an open bankruptcy case.
The IRS FAQ states plainly that it cannot consider an offer while bankruptcy is open, and the Internal Revenue Manual says the IRS will not consider an OIC under its administrative procedures while the taxpayer is in bankruptcy. For Chapter 11, 12, and 13 cases, the manual indicates consideration generally waits until plan payments are completed or the case is dismissed. IRS OIC FAQs, IRS Internal Revenue Manual 5.8.10
That means people sometimes spend time and money preparing an offer that was never eligible for consideration in the first place.
Bankruptcy and tax resolution also overlap in complicated ways. Timing matters. The sequence of discharge issues, collection issues, tax lien issues, and post-bankruptcy compliance can change the analysis significantly. An attorney with tax controversy experience may help determine whether the better path is bankruptcy-related relief, an OIC later, or another arrangement altogether.

6. Refiling The Same Weak Offer Without Fixing The Prior Problem

Not every second chance is treated as a fresh start.
IRS guidance says that if a taxpayer submits an offer that is not materially different from a previous offer that was considered and returned, and the cause of the prior return has not been addressed, the new offer may be returned as solely to delay collection. The IRS manual also explains that offers submitted solely to delay collection can be returned after approval. IRS Internal Revenue Manual 5.8.4, IRS Internal Revenue Manual 5.8.3
That is a major trap for taxpayers who respond to a bad outcome by quickly resubmitting nearly identical paperwork.
For example, a new OIC may still be vulnerable if the earlier file was returned because of:
  • missing filings
  • current noncompliance
  • absent documentation
  • unsupported expenses
  • unaddressed asset transfers
  • an offer amount that still does not reflect the IRS’s likely RCP analysis
This is one area where experienced representation can change the trajectory of a case. In general terms, a thoughtful resubmission often looks very different from a rushed resubmission. The difference may involve updated records, a revised narrative, corrected valuations, new compliance proof, or a different strategy altogether.
If you’re still figuring out whether an OIC makes sense at all, it may help to read about how to evaluate whether this path is worth pursuing before filing.

7. Misunderstanding Deadlines, Appeal Rights, And The 24-Month Rule

The final mistake is procedural, but it can have real consequences.
First, taxpayers sometimes confuse a returned offer with a rejected one. That matters because a rejected OIC generally carries appeal rights, while a returned offer generally does not carry the same appeal route. The IRS states that a rejection is not final until written notice is issued explaining the rejection, the reasons, and the right to appeal. IRS Internal Revenue Manual 8.23.1, IRS Internal Revenue Manual 5.8.7
Second, people often miss the appeal deadline. The IRS says taxpayers generally have 30 days from the date on the rejection letter to request an appeal, often on Form 13711. IRS Tax Tip On Appealing A Rejected OIC, Form 13711
Third, there is widespread confusion about the 24-month mandatory acceptance rule under Internal Revenue Code section 7122(f). The IRS explains that for offers received on or after July 16, 2006, an offer can be deemed accepted if the IRS does not make a determination within 24 months of receiving it. But that rule has important limits: if the offer is rejected, returned, withdrawn, or treated as withdrawn within that period, it is not deemed accepted. IRS guidance also explains that, for this purpose, the 24-month period begins when the offer is received by the centralized OIC unit, not when it is mailed. IRS Internal Revenue Manual 8.23.1, IRS Internal Revenue Manual 8.21.5
So while taxpayers sometimes hear that “the IRS has two years or the offer wins automatically,” the real rule is narrower. A returned or rejected offer within that 24-month period generally ends that argument.

What These Mistakes Often Look Like In Real Life

Most OIC problems are not dramatic. They often look like ordinary paperwork issues until the file is already off track.
A taxpayer sends Form 656 with no initial payment because they assumed the fee covered everything. Another files while still catching up on estimated taxes. Another lists a property value from a refinance two years ago and leaves out a recent transfer from a savings account. Someone else receives a return letter, assumes it’s a rejection, and misses the chance to correct the underlying issue quickly. Another person resubmits the same offer after a prior return and is surprised when the IRS treats the new filing as delay.
These are exactly the kinds of problems that can turn a potentially viable settlement discussion into months of lost time.

Why Legal Help Often Matters Before The Offer Goes In

An OIC is often presented as a form-driven process, but in many cases it is really a documentation, valuation, compliance, and strategy process.
That is especially true when the taxpayer has:
  • self-employment income
  • mixed personal and business finances
  • payroll tax issues
  • real estate or retirement assets
  • prior transfers to relatives or insiders
  • inconsistent records
  • a prior returned or rejected OIC
  • an open collection case, lien issue, or appeal question
In those situations, a tax attorney may help evaluate whether the offer is processable, whether the financials tell a consistent story, whether the amount offered is defensible, and whether another resolution path may fit better.
The right legal help is often not about finding someone with a polished profile. It’s about finding someone with documented experience in highly similar tax controversy matters, based on objective criteria and real case history.

Final Takeaway

The biggest OIC mistakes usually happen before the IRS decides whether the settlement number is acceptable. Filing while out of compliance, sending the wrong payment, mishandling financial disclosures, ignoring asset equity, filing during bankruptcy, resubmitting the same defective offer, and misunderstanding appeal or timing rules can all lead to return, rejection, or delay.
For taxpayers dealing with serious IRS debt, the practical question is often not just “Can I file an Offer in Compromise?” but “Is this offer prepared in a way that gives it a real chance to be evaluated on the merits?”
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