IRS Form 656(B) Offer in Compromise: How It Works and Who Qualifies

IRS Form 656(B) Offer in Compromise: What It Is

An Offer in Compromise (OIC) lets taxpayers settle their federal tax debt for less than the full amount owed. The IRS publishes Form 656(B) as the formal application for this program, which functions as a binding offer to resolve liability under IRC Section 7122. The IRS accepts offers only when collection is in doubt, when effective tax administration creates hardship, or when there is a legitimate doubt about the debt's validity. Completing Form 656(B) accurately matters: errors or incomplete disclosures routinely delay processing or trigger rejection.

Three Grounds for Accepting an Offer in Compromise

The IRS evaluates every Form 656(B) submission against three statutory grounds. Doubt as to collectibility is the most common. It applies when the IRS calculates that the taxpayer's reasonable collection potential (RCP) is less than the debt. Doubt as to liability applies when the taxpayer has a legitimate argument that the assessed tax is incorrect, such as a statute-of-limitations issue or an effective waiver problem. Effective tax administration is a narrow exception where collection would create an economic hardship or where compelling public policy concerns exist, even if the IRS could collect the full amount.

Reasonable Collection Potential and the Formula

The RCP calculation drives most OIC decisions. The IRS combines the taxpayer's monthly disposable income over a specific lookback period with the net equity in assets. For liability doubt cases, the standard lookback is 12 months for a lump-sum offer or 24 months for a deferred or periodic payment offer. The IRS applies national standards for certain living expenses and local standards for housing and utilities; any excess income flows into the RCP. Assets are valued at their current market value, not their purchase price or book value, and the IRS typically ignores equity in primary residences and vehicles below certain thresholds.

Required Documentation When You File Form 656(B)

A complete Form 656(B) package includes several supporting documents. The application itself asks for a detailed financial statement using the IRS's worksheets, which pull from the federal return and require current pay stubs, bank statements, and proof of assets. The IRS also requires a full disclosure of all liabilities, a copy of the most recent tax return, and verification of income. Omitting required documents — such as the Statement of Compliance (Form 13909) for trust fund recovery penalty cases or proof of equity in real property — is a frequent cause of rejection.

Filing Fees and Payment Options on Form 656(B)

The application fee for an OIC is $205, though certain low-income taxpayers can request a waiver using Form 656-A. The fee is nonrefundable and applies regardless of whether the offer is accepted. When the IRS accepts an offer, the taxpayer must pay the proposed amount. A lump-sum cash offer requires payment within five months of the acceptance letter. A deferred or periodic payment offer allows the taxpayer to make payments while the IRS processes the application, and the offer remains open for up to two years from the acceptance date or until the statutory collection expiration date, whichever is earlier.

Common Mistakes That Lead to Rejection

Taxpayers frequently undermine their own offers. Submitting an offer that does not meet the RCP threshold without a valid doubt-as-to-liability argument almost guarantees rejection. Failing to file all required current-year and prior-year returns before the IRS processes the OIC is another common blocker. The IRS will not accept an offer unless returns are current. Another pitfall is undervaluing assets; the IRS uses its own valuation guidelines and can challenge figures that appear unsupported. Finally, stopping installment payments or failing to maintain current compliance during the processing period can cause the IRS to consider the offer withdrawn.

Timeline and What to Expect After Submission

The IRS typically takes four to six months to process a Form 656(B) offer, though complex cases involving significant assets or business interests can take longer. During this period, the IRS generally pauses collection activity on the underlying debt, which provides temporary relief. The taxpayer must continue to file all required returns and remain current on estimated taxes. Once the IRS makes a decision, the taxpayer receives a letter outlining the outcome; if rejected, the letter explains the reason and the taxpayer can appeal within 30 days through the Office of Appeals.

Who Should Consider Form 656(B)

Form 656(B) is most useful for taxpayers who genuinely cannot pay the full liability and have limited income and assets relative to the debt. It is not a tool for taxpayers who can pay the debt in full through an installment agreement without undue hardship. The program is also less appropriate when the taxpayer has significant hidden assets or is actively transferring property to avoid collection, as the IRS may pursue the offer as part of a broader collection strategy. Consulting a tax professional before filing helps ensure the offer is structured realistically and the disclosure requirements are fully met.