Ignored a CP2000? What Happens Next and How to Undo It

It happens all the time. The CP2000 went to an old address. Or it came during a move, a divorce, a hospital stay. Or, honestly, you looked at it, felt sick and put it in a drawer. Now there is a bill.

No bueno. But it is fixable more often than people think. Let's walk through what the IRS did while the notice sat in that drawer, and what you can still do about it.

Step one in the IRS sequence: the statutory notice

When a CP2000 goes unanswered, the Automated Underreporter program does not simply assess the tax. It cannot. For income tax deficiencies, the IRS generally has to mail a statutory notice of deficiency first (IRC 6213(a)). In AUR, that notice is the CP3219A.

The AUR manual describes the notice as a legal document and states that the taxpayer is allowed 90 days, or 150 days if the notice is addressed to a person outside the United States, to petition the Tax Court, and that this period cannot be extended (IRM 4.19.3.23.1). The IRS holds the case in suspense during that window. The manual refers to a 105-day time frame on the CP3219A, which covers the 90 days plus mailing time.

If you got a CP3219A and the 90 days have not run, stop reading and act. You can still respond with documents, and you can still petition the Tax Court to protect your rights. Those are two separate things. A response does not extend the petition deadline.

First question: did the IRS mail it to the right address?

Before you argue about the income, look at the envelope history. The IRS is required to exercise due diligence to find and use your last known address, which generally is the address on its master file unless you gave it clear and concise notice of a change (IRM 4.10.2.8.1 describes the rule for exam notices). The IRS also receives weekly updates from the Postal Service change-of-address database.

If you filed a later return with a new address, or sent the IRS a signed change of address form, before the notice was mailed, and the notice went to the old address anyway, write that down with dates and copies. Where a notice was mailed matters to its validity, and that question deserves a lawyer's look before you concede it. If the IRS used the correct address and you simply did not open the mail, move on to the options below.

Step two: the default assessment

If the 90 days pass with no petition and no resolution, the IRS assesses the proposed tax by default. Interest is added, and any proposed penalty comes along with it. Then the normal balance due process starts: notices, and eventually collection activity if the balance is not paid or otherwise resolved.

There is one grace period built into the manual. If a response comes in after the time to petition has expired but before the assessment is actually made, the IRS "will continue to try to resolve issues" (IRM 4.19.3.23.1). That window is short and unpredictable. Do not rely on it, but if you are in it, send your response immediately.

Door one: rescinding the notice of deficiency

If you are still inside the 90 days, there is a lesser-known option: asking the IRS to rescind the notice. IRM 4.19.3.23.13.2 says rescission is discretionary, case by case, requires your written consent, and in AUR requires managerial approval and approval from AUR headquarters policy.

Citing Rev. Proc. 98-54, the IRM lists situations where a rescission may be agreed to, including:

• The notice was issued by administrative error, such as to the wrong taxpayer or for the wrong period.
• You submit information establishing that the actual tax due is less than the amount in the notice.
• You request an Appeals conference for settlement and the case will reach Appeals with at least 365 days left on the statute of limitations.

Rescission is not available once the 90-day (or 150-day) period has expired without a petition, after you petition the Tax Court, or when 90 days or less remain on the assessment statute unless the statute is extended first. The IRM also warns that the 90-day period stays in effect while a rescission is pending. Protect the deadline no matter what.

In practice, when the problem is simply that you never answered and you have the documents, sending a complete response during the 90 days often leads to a recomputed notice. The IRM provides for a recomputed notice after the CP3219A when the IRS can change the proposed tax based on your response while there is still time to petition (the CP2000D described in IRM 4.19.3.21.2).

Door two: AUR reconsideration after assessment

Once the tax is assessed, the process changes names. The AUR manual calls these "RECON" cases, sometimes called "first-read" or "late response" cases: responses received after the case has been closed on the AUR system (IRM 4.19.3.27). The IRM says to use the same guidelines in making determinations for reconsideration correspondence as when working open AUR cases.

That is the key sentence. The standard does not get harder because you were late. If your documents would have resolved the CP2000, they can resolve the reconsideration.

Where to send it matters. AUR reconsiderations go to the campus where the assessment originated, which you can identify from the address in the upper left corner of the CP2000 (IRM 4.13.1.3.2). They are not worked by the Central Reconsideration Unit that handles exam reconsiderations. For the exam version, see audit reconsideration.

What to include:

1. A copy of the CP2000 and, if you have it, the CP3219A.
2. A short letter, signed by both spouses on a joint return, identifying each item you dispute and why.
3. The documents that prove it: corrected 1099s, payer letters, basis records, proof of nontaxability. See disputing a wrong 1099 or W-2.
4. Your contact information and the tax year on every page.

What happens to collection while it is reviewed

Ask for a collection hold in your letter. The AUR manual tells employees working a reconsideration to set a STAUP, which stops collection notices for a period, when the account is in notice status, and to input a collection hold code if the case is already in collection status (IRM 4.19.3.27.4). If the result leaves a balance, the notices resume.

A hold is not a pause on interest. If you expect to owe part of the balance, paying that part stops interest on it.

Door three: pay and claim a refund

If you already paid the assessment, reconsideration is not your route. You file a claim for refund. The general deadline under IRC 6511(a) is three years from the time the return was filed or two years from the time the tax was paid, whichever is later. Missing that window can forfeit the refund even when you were right. Do the math on your dates before you do anything else.

Door four: the Tax Court, if there is still time

If you are inside the 90 days and the amount matters, petitioning the Tax Court preserves your right to dispute the deficiency before paying it. That is a litigation decision with its own rules and fees, and it deserves professional advice. The point here is narrow: once the 90 days pass, that particular door closes for good for this notice.

How to keep this from happening again

• Update your address. The IRS mails to your last known address. If you moved, tell the IRS.
• Open IRS mail the day it arrives. Every deadline in this process runs from the date on the notice, not the date you opened it.
• Look at the other years. If the same 1099 issue exists in later years, fix it now. The IRS says you may need to amend those years too.

An ignored CP2000 feels like a door slammed shut. Usually it is a door you can reopen, if you show up with the right paper. The longer you wait, the more they take. Start this week.