The Offer in Compromise is the most-marketed and most-misunderstood IRS collection program. The “pennies on the dollar” advertising overstates what the law delivers, but the underlying program is real and genuinely useful for qualifying taxpayers. Understanding the program requires understanding the specific standards — doubt as to collectibility, doubt as to liability, and effective tax administration — and understanding how RCP is actually calculated. This chapter walks through each.

Our firm has submitted and obtained OIC acceptances across the dollar spectrum, from five-figure settlements to seven-figure compromises. For the broader framework, see 5 Strategies to Resolve Tax Debt. For the full OIC guide, see The OIC Guide.

If you’re considering an Offer in Compromise — or the IRS rejected a previous OIC:

An OIC is calculated using a specific IRS formula for Reasonable Collection Potential — and most self-prepared applications are rejected because the RCP calculation is done incorrectly. A free 15-minute call covers whether you qualify under current IRS standards, what your realistic offer amount is, and what the acceptance process looks like.

Talk to Sam — Free 15-Minute Call →    Or call: (619) 378-3138

An offer in compromise (OIC) is the IRS program that settles tax debt for less than the full balance — but acceptance isn’t mercy, it’s math: the IRS compares your offer to your “reasonable collection potential” (asset equity plus what it could take from your income before the collection statute runs), and accepts only when the offer beats what it expects to collect anyway. The application is Form 656 with a Form 433-A(OIC) financial statement, a $205 fee, and a 20% down payment on lump-sum offers — both waived for qualifying low-income taxpayers. Just 14% of offers were accepted in FY2025 (5,464 of 38,797, per the IRS Data Book), and the difference is almost always in how the financial statement is built.

The difference between an accepted and rejected offer is usually the financial statement, not the taxpayer — which is exactly the case for having an offer in compromise attorney build it.

The Four Types of Offer in Compromise

Most CommonDoubt as to Collectibility
SpecializedDoubt as to Liability
RareEffective Tax Administration
NarrowDATCSC

The four types of Offer in Compromise with criteria, typical use, and acceptance rate.
Type Criteria Typical Use Acceptance Rate2
Doubt as to Collectibility (DATC) RCP below balance Standard hardship OIC ~40% to 50%
Doubt as to Liability (DATL) Liability itself disputed Post-audit / assessment disputes ~30% to 40%
Effective Tax Administration (ETA) Full collection would be inequitable Unusual hardship Low
DATCSC (Special Circumstances) DATC with exceptional hardship Catastrophic medical / family Moderate

Quick Reference

Jump to the OIC type: Doubt as to Collectibility, Doubt as to Liability, Effective Tax Administration, or Special Circumstances. For the OIC document lookup, see the OIC document reference. To scope an OIC, a 15-minute consultation is free.

1. Doubt as to Collectibility: The Standard OIC

A Doubt as to Collectibility OIC settles the tax debt for less than owed because the taxpayer’s Reasonable Collection Potential is below the balance. This is the most common OIC type and the one that most “tax relief” marketing references. DATC is a pure financial analysis — no dispute about whether the tax is owed, only whether it can practically be collected.

If this is you: The tax debt is undisputed but your assets and future income cannot practically pay it. DATC is the right type. The settlement amount equals your RCP. If your RCP is $30,000 and you owe $150,000, the IRS will accept an offer at $30,000 (or above) and forgive the remainder.

RCP calculation for DATC:

  • Net Realizable Equity (NRE) in assets. Quick-sale value (80% of FMV) minus loans attached to the asset.
  • Plus future income. Expected monthly disposable income × 12 (lump-sum offer) or 24 (periodic offer).
  • Disposable income. Net income minus allowable expenses under the Collection Financial Standards.
  • RCP = NRE + future income component.

DATC Strategy

  1. Pull the IRS account transcript. Confirm balance and CSED.
  2. Run the RCP analysis honestly first. Below-RCP offers are rejected.
  3. Complete Form 433-A (OIC) or 433-B (OIC).
  4. Reduce RCP lawfully before filing. Timing of asset sales, retirement contributions, necessary expense allocation.
  5. Submit Form 656 with 20% deposit.

2. Doubt as to Liability: Disputing the Underlying Tax

A Doubt as to Liability OIC disputes the amount of tax actually owed, not the taxpayer’s ability to pay. DATL is an alternative to audit reconsideration or a refund suit for taxpayers who missed earlier dispute opportunities. DATL is less common than DATC but can produce substantial reductions when the liability itself is flawed.3

If this is you: You disagree with the amount the IRS says you owe. Audit reconsideration may not be available (no new grounds). Refund suit requires full payment first. DATL allows dispute without payment and can produce settlement at an amount reflecting the actual tax liability.

DATL is particularly useful for:

  • Substitute for Return cases where the IRS assessed tax without proper information.
  • Post-audit assessments where audit reconsideration is not available.
  • Trust fund recovery penalties where responsibility or willfulness is contested.
  • Cases where documentation has surfaced that was unavailable during audit.

DATL offers are filed on Form 656-L (not Form 656). No financial disclosure is required. The offer amount reflects the tax actually owed rather than RCP.

3. Effective Tax Administration: The Inequity Exception

An Effective Tax Administration OIC settles for less than owed — and less than RCP — when collecting the full balance would be inequitable even though the taxpayer technically can pay. ETA is rare and narrowly granted, typically in catastrophic medical, elderly, or other extraordinary hardship cases.

If this is you: You technically can pay the full balance (RCP equals or exceeds liability) but paying would create exceptional hardship — catastrophic medical care, elderly retirement exhaustion, dependent disability. ETA may apply. The standard is high and the documentation demanding.

ETA requirements per IRM 5.8.11:

  • Economic hardship: Full collection would leave the taxpayer unable to meet basic living expenses.
  • Public policy / equity: Full collection would undermine public confidence in the tax system.
  • Exceptional circumstances: Medical condition, elderly taxpayer, catastrophic event.
  • Compliance history: Generally compliant taxpayer outside the current situation.

4. Doubt as to Collectibility with Special Circumstances (DATCSC)

A DATCSC offer is a DATC offer with a narrative explaining why RCP overstates actual ability to pay due to specific circumstances. The IRS may accept below-RCP amounts when the special circumstances justify a reduction from the standard calculation.

If this is you: Your RCP calculation would say you can pay more than you actually can. Special circumstances — medical costs not in the standards, obligations not reflected in CFS, family situations — justify a below-RCP offer. DATCSC is the framework.

Considering an OIC? The 20% deposit is kept if the offer is rejected. Scoping RCP accurately before submission is the difference between acceptance and lost deposit. Book a consultation to run the RCP analysis before filing.

OIC Document Lookup

OIC forms and documents.
Document Purpose
Form 656 Offer in Compromise (DATC / ETA / DATCSC)
Form 656-L Offer in Compromise (Doubt as to Liability)
Form 656-B Offer in Compromise Booklet (instructions)
Form 433-A (OIC) Collection Information Statement — Individual
Form 433-B (OIC) Collection Information Statement — Business
Form 9423 Collection Appeal Request (if OIC rejected)
Form 656-PPV Offer in Compromise Periodic Payment Voucher
Publication 594 The IRS Collection Process
IRS Collection Financial Standards National / local allowable expenses

CSED and OIC

  • CSED tolls during OIC review. Plus 30 days for appeal period.
  • Typical toll: 6 to 24 months.
  • A rejected OIC extends CSED. Without producing settlement.
  • Accepted OIC terminates the debt. CSED becomes irrelevant.
  • Default during 5-year compliance covenant reinstates full liability plus interest.

OIC Acceptance Rates

OIC acceptance by type. Source: IRS Data Book; Brotman Law practice.
Type Approximate Acceptance
DATC (at or above RCP) ~40% to 50%
DATC (below RCP) Near zero — 20% deposit kept
DATL (with new evidence / legal basis) ~30% to 40%
ETA (documented exceptional hardship) Low but available
DATCSC (with compelling narrative) Moderate

The OIC Escalation Pathway

Submission to Review

The OIC is submitted with 20% deposit (or application fee if low-income). Initial review takes 60 to 120 days. IRS may request additional documentation or clarification.

Rejection to Appeals

A rejected OIC can be appealed to IRS Appeals within 30 days via Form 13711. Appeals applies hazards-of-litigation analysis and frequently accepts offers that the initial reviewer rejected.

Acceptance to Compliance

Accepted OICs carry a 5-year post-acceptance compliance covenant. Any default — unfiled return, unpaid balance — reinstates the full original liability plus interest. The 5-year covenant is a real burden and should not be entered without commitment to compliance.

The First 48 Hours Before Filing an OIC

  1. Pull the IRS account transcript.
  2. Run the RCP analysis honestly.
  3. File all missing returns. OIC requires current compliance.
  4. Complete Form 433-A (OIC) or 433-B (OIC).
  5. Identify the OIC type. DATC, DATL, ETA, DATCSC.
  6. Structure the offer. At or above RCP; lump-sum or periodic payment.
  7. Submit with 20% deposit and application fee.

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Brotman Law has been recognized by Inc. Magazine as one of California’s fastest-growing law firms. We have obtained OIC acceptances across the full dollar spectrum — from five-figure hardship settlements to seven-figure compromises with complex asset structures. Our office is based in San Diego, and we represent clients throughout California and nationwide.

The ROI Question

A well-scoped OIC acceptance frequently saves six figures or more versus full payment. The difference between a well-framed offer and a poorly-scoped one is often the entire 20% deposit. Professional RCP analysis before filing is materially higher value than filing and hoping.

When to Engage an Attorney for an OIC

  • Balance over $50,000. RCP calculation is complex.
  • Business or self-employment income. Asset valuation and business continuation analysis.
  • DATL offers. Legal basis for dispute.
  • ETA claims. Hardship documentation is demanding.
  • Prior OIC rejected. Appeals strategy.
  • Multi-entity / complex ownership.
  • Specific assets with valuation issues. Retirement, business interests, collectibles.

Any of the above apply?

A 15-minute consultation is free. We run the RCP analysis, scope the offer, and identify whether OIC is the right path.

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