How to Raise Collection Alternatives and Liability Arguments in a CDP Case

If you’re in a Collection Due Process (CDP) hearing after an IRS lien or levy notice, it’s easy to miss key deadlines or frame your request in a way that limits your options. This guide explains how to raise collection alternatives and, when allowed, liability arguments so you understand what Appeals can consider and what evidence matters. ReferU.AI can help you find an attorney with relevant CDP experience to support your strategy and submissions.

How to Raise Collection Alternatives and Liability Arguments in a CDP Case
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How to Raise Collection Alternatives and Liability Arguments in a CDP Case

If you received an IRS lien or levy notice and requested a Collection Due Process hearing, the next question is often what to say — and how to say it in a way that preserves your options. A CDP case can be one of the few moments in the IRS collection process when a taxpayer may be able to raise both collection alternatives and, in limited situations, liability arguments before the IRS Independent Office of Appeals. Under 26 U.S.C. § 6330, Appeals considers whether legal and administrative requirements were met, whether the proposed collection action is appropriate, and whether an alternative resolution makes more sense in light of the taxpayer’s circumstances.
In this post you’ll learn how collection alternatives and liability issues fit into a CDP case, when each argument is available, what evidence often matters, and where taxpayers sometimes lose review rights by framing the case too narrowly or too late. If you want a broader overview first, it may help to start with this guide to how CDP hearing rights, levy defenses, and payment alternatives work together.
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Why CDP Cases Matter So Much

A timely CDP request can pause levy action while the hearing is pending in many levy cases, and a timely request also generally preserves the right to seek Tax Court review after Appeals issues its determination, according to the IRS’s current CDP guidance and Publication 594. By contrast, an equivalent hearing may still allow review inside Appeals, but it generally does not carry the same path to court review if the taxpayer disagrees with the outcome, as explained in Publication 594.
That procedural difference is a big reason CDP cases often turn on strategy as much as substance. A taxpayer may be trying to stop a levy, protect wages or bank funds, negotiate time to pay, seek currently not collectible status, challenge whether a lien filing should remain in place, or dispute whether the underlying tax is even correct. Each objective calls for a different presentation, different supporting documents, and sometimes a different legal theory.

What Appeals Can Consider In A CDP Hearing

The statute gives Appeals a fairly specific checklist. Under 26 U.S.C. § 6330(c), the hearing officer considers:
  • whether the IRS verified that applicable legal and administrative procedures were followed,
  • any relevant issues relating to the unpaid tax or proposed collection action,
  • challenges to the appropriateness of collection actions,
  • offers of collection alternatives, including an installment agreement or offer in compromise, and
  • challenges to the existence or amount of the underlying tax liability, but only if the taxpayer did not receive a statutory notice of deficiency and did not otherwise have an opportunity to dispute that liability.
That last limitation is where many CDP cases become more technical. In general terms, a taxpayer does not get a second full shot at liability inside CDP if there was already a prior chance to contest the tax. Treasury regulations state that a prior opportunity can include a prior conference opportunity with Appeals in some circumstances, as reflected in 26 C.F.R. § 301.6320-1.

Step 1: Separate “I Can’t Pay” From “I Don’t Owe It”

One of the most common problems in CDP practice is blending two very different arguments:
  • Collection alternative argument: “I owe the tax, but the IRS collection method is too harsh or not workable given my finances.”
  • Liability argument: “The amount assessed is wrong, or I do not legally owe some or all of it.”
Those ideas can appear in the same case, but they are not interchangeable. Appeals may consider both only if each is properly available and supported. The IRS describes a CDP hearing as an opportunity to discuss alternatives to enforced collection and, in limited situations, to dispute the amount owed if there was no prior opportunity to do so, according to the IRS’s CDP FAQs.
A useful practical approach is to frame the case in layers:
  1. Procedural review: Did the IRS follow the rules?
  1. Liability review, if available: Is the assessed tax actually correct?
  1. Collection review: Even if the tax stands, is levy or lien the right collection tool right now?
  1. Alternative resolution: Is there a workable payment or hardship-based option?
That structure can make the hearing easier for Appeals to evaluate and easier to defend later if the case reaches Tax Court.

Step 2: Identify Which Collection Alternative Fits The Facts

Collection alternatives are often the center of a CDP case. The statute expressly lists alternatives such as installment agreements, offers in compromise, bond posting, and asset substitution in 26 U.S.C. § 6330(c)(2)(A). IRS internal guidance for Appeals also confirms that CDP hearings are designed to evaluate alternatives to enforced collection, including installment agreements, offers in compromise, and currently not collectible treatment, as discussed in the IRS Internal Revenue Manual section on alternatives to collection action and the IRS collection procedures described in IRM 5.1.1.

Installment Agreement

An installment agreement may be the cleanest option where the liability is not really disputed but immediate full payment is unrealistic. Appeals commonly wants current financial disclosures before evaluating this route. The IRS says taxpayers seeking collection alternatives in CDP often submit Form 433-A and, where relevant, business financial information as well, according to the IRS’s CDP FAQs.

Offer In Compromise Based On Collectibility

If the issue is inability to pay the full balance over time, an offer in compromise based on collectibility may come into play. The IRS explains that this type of offer generally uses Form 656 and the financial statements included in the Form 656-B booklet, along with supporting documentation, as described in Topic No. 204.

Currently Not Collectible Status

When a taxpayer’s finances are so strained that collection would create hardship, currently not collectible status may be raised as a collection alternative. IRS guidance recognizes CNC as one of the alternatives that can be considered in a CDP setting, including in IRM 5.1.1.

Lien-Related Alternatives

In lien cases, the issue is not always full removal of the tax debt. Sometimes the better framing is whether the notice of federal tax lien should remain filed, be withdrawn, or whether discharge or subordination tools may help with a sale or refinance. Publication 594 distinguishes between release and withdrawal and explains that they are not the same thing.

Step 3: Support The Collection Alternative With Real Financial Proof

A CDP hearing is not usually won through broad hardship statements alone. Appeals often focuses on whether the proposed alternative is concrete, documented, and administrable. That is why incomplete financial records can quietly sink a CDP case even when the taxpayer’s hardship is real.
The IRS tells taxpayers that to consider collection alternatives, Appeals will usually need a financial statement and supporting documents, and including that material early can reduce delay, according to the IRS’s CDP FAQs. In practice, the file may be stronger when it includes:
  • recent pay stubs or profit-and-loss statements,
  • bank statements,
  • proof of housing and transportation costs,
  • medical expense records if health issues affect ability to pay,
  • documentation of dependents or support obligations,
  • asset valuations where equity is disputed, and
  • a written explanation connecting the documents to the requested outcome.
This is often where representation makes a difference. A tax controversy attorney may be able to frame expenses, equity, and future earning capacity in a way that aligns with IRS standards rather than leaving the record as a stack of unexplained documents.

Step 4: Know When A Liability Argument Is Actually Allowed

Liability arguments in CDP are narrower than many taxpayers expect. The statute says a person may challenge the existence or amount of the underlying tax liability only if the person did not receive a statutory notice of deficiency and did not otherwise have an opportunity to dispute the liability, under 26 U.S.C. § 6330(c)(2)(B).
The IRS says the same in its current CDP FAQs: during a CDP hearing, the amount owed can be discussed only in limited circumstances. If Appeals cannot consider the liability issue in CDP, the IRS notes that other routes may exist, including a refund claim, audit reconsideration in appropriate cases, or a doubt-as-to-liability offer in compromise.
A few examples may help:

When A Liability Argument May Be Available

A liability issue may be open in CDP if the taxpayer never actually received a notice of deficiency in time to petition Tax Court, or if the liability arose in a way that did not provide a prior dispute opportunity. That often becomes a factual question about notice, mailing, and prior administrative history.

When A Liability Argument May Be Barred

A liability issue may be barred if the taxpayer received a notice of deficiency and did not petition Tax Court, or if there was another qualifying prior opportunity to dispute the liability. Treasury regulations explain that a prior conference opportunity with Appeals can count in some situations, as reflected in 26 C.F.R. § 301.6320-1.

Step 5: If Liability Is Open, Raise It Clearly And Specifically

If a liability challenge is available, vague statements like “the IRS is wrong” rarely move the case. Appeals generally needs a focused explanation of why the liability is wrong and what evidence supports that position.
That may include issues such as:
  • the assessment overstated income,
  • deductions or credits were wrongly disallowed,
  • penalties were improperly imposed,
  • payments or credits were not properly applied,
  • the taxpayer was not the liable party for a trust fund or other assessment, or
  • the account transcript and assessment history do not line up with the amount claimed.
The more specific the issue, the more useful the record tends to be. In some situations, a taxpayer who cannot use CDP to challenge liability may still explore a Form 656-L doubt-as-to-liability offer if there is a genuine dispute as to the correct tax debt. The IRS explains that doubt as to liability uses Form 656-L rather than the standard financial-form package used for collectibility offers, according to Topic No. 204 and the IRS page about Form 656.

Step 6: Do Not Ignore The Verification And Procedure Side Of The Case

Even where the main goal is a payment plan or hardship resolution, CDP still requires Appeals to verify that legal and administrative procedures were followed. That comes directly from 26 U.S.C. § 6330(c)(1).
Depending on the facts, procedural issues may include:
  • whether the correct notice was issued,
  • whether the notice was sent to the last known address,
  • whether assessment procedures were properly completed,
  • whether levy prerequisites were met,
  • whether lien filing procedures were followed, and
  • whether the administrative record supports the action taken.
These arguments do not replace a collection alternative, but they may add leverage or expose weaknesses in the file. They may also matter later if judicial review becomes necessary.

Step 7: Build A Record That Could Survive Tax Court Review

A timely CDP request can preserve judicial review rights, and Publication 594 explains that taxpayers generally can seek Tax Court review after Appeals issues its determination in a timely CDP case. The practical takeaway is that the administrative record matters.
Tax Court review in CDP cases often depends on the type of issue involved. Underlying liability questions may receive a different style of review than collection-alternative determinations, which are often reviewed for abuse of discretion. Recent Tax Court opinions continue to show how closely the court looks at whether Appeals considered the taxpayer’s submissions, communications, and proposed alternatives, including published reports available through the United States Tax Court pamphlets and examples such as 162 T.C. 148–199.
In practical terms, that often means:
  • saying exactly what relief is being requested,
  • submitting the supporting records on time,
  • responding to Appeals deadlines,
  • preserving objections in writing,
  • clarifying whether liability is being challenged,
  • clarifying whether the proposed collection action is inappropriate, and
  • documenting any change in circumstances.
Taxpayers who want a deeper foundation may also find it helpful to read about common CDP issues generally before narrowing in on one defense theory.

Common Mistakes When Raising Collection Alternatives And Liability Issues

A lot of CDP cases become harder than they needed to be because of a few recurring mistakes.

Treating Every CDP Case As A Liability Case

Many taxpayers understandably want to argue that the bill is wrong. But if liability is procedurally closed in CDP, spending the whole hearing on that issue can leave too little time to develop a realistic alternative to levy or lien.

Offering No Financial Package

An installment agreement, CNC request, or collectibility-based offer often rises or falls on documentation. Appeals may have little basis to evaluate a proposal without a usable financial statement and supporting records, according to the IRS’s CDP FAQs.

Raising An Alternative Without Explaining Why It Fits

Saying “I want an offer in compromise” is different from explaining why the financial numbers, asset equity, and monthly cash flow support that result under IRS standards.

Missing The Deadline

The IRS says taxpayers generally have 30 days from the notice date to timely request a CDP hearing using Form 12153. Missing that deadline can change the case from a CDP hearing to an equivalent hearing, which may limit later court review.

Using The Wrong Vehicle For A Liability Dispute

The IRS distinguishes between a collectibility offer and a doubt-as-to-liability offer. If the real issue is whether the tax is correct, the IRS says a taxpayer may in some cases use Form 656-L rather than the regular OIC package, as described in Topic No. 204.

When An Attorney May Add Value In A CDP Case

CDP hearings are administrative, but the legal framing can be technical fast. Questions about prior opportunity, notice of deficiency receipt, transcript analysis, collection standards, lien consequences, and alternative resolutions often overlap in ways that are not obvious from the notice alone.
An attorney with documented experience in tax collection controversies may help identify whether the better route is:
  • a CDP liability challenge,
  • a collection-alternative presentation,
  • a procedural attack on the levy or lien,
  • a doubt-as-to-liability offer,
  • a refund path after payment,
  • or a different post-assessment strategy outside CDP.
That kind of fit matters because a taxpayer may not just be looking for someone who handles “tax law” generally. They may be looking for counsel with relevant experience in highly similar matters, based on objective criteria and real case history rather than advertising claims.

The Bottom Line

A CDP case can be one of the most important points in the IRS collection process because it may open the door to collection alternatives, procedural defenses, and sometimes liability review — but only if the issues are raised the right way and supported with the right record. In general terms, the strongest CDP presentations tend to separate “I can’t pay this as proposed” from “this tax is not actually owed,” then back each argument with documents, legal support, and a clear request for relief.
If you’re trying to find a lawyer with demonstrable experience handling IRS collection disputes, levy defense, lien issues, and CDP strategy, Visit ReferU.AI to get matched with an attorney who has demonstrable experience in cases like yours — for free.

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