If you have reviewed a CP2000 notice from the IRS and confirmed that the proposed changes are correct – that income was underreported, a deduction was overstated, or a credit was applied in error – the appropriate response is to agree with the notice.

Agreeing is not a concession of wrongdoing; it is simply an acknowledgment that the IRS figures are accurate and that the additional tax is owed.

This article explains exactly what agreeing with a CP2000 involves, what forms you sign, what your payment options are, what the IRS does next, and how the matter ultimately closes.

What It Means to Agree With a CP2000

When you agree with a CP2000 notice in full, you are confirming that the IRS proposed changes are correct and that the additional tax, along with any proposed penalties and interest calculated to the notice date, accurately reflects what you owe for the tax year in question. Your agreement allows the IRS to formally assess the proposed amount and close the review.

Agreeing does not mean you waive your right to later correct the record if additional information comes to light. If you discover after agreeing that the IRS calculation contained an error, you can file an amended return (Form 1040-X) to request a correction. However, agreeing does move the matter toward formal assessment, so you should be confident in the accuracy of the IRS figures before signing.

Before you agree, consider reviewing our article on 

The Agreement Form: What You Are Signing

The CP2000 notice includes a detachable response form. This form typically provides checkboxes for indicating your agreement, partial agreement, or disagreement with the proposed changes. To agree in full:

• Check the box indicating that you agree with all proposed changes
• Sign and date the form in the designated signature block
• If you are filing jointly, both spouses must sign

The response form is not the same as IRS Form 4549 (Income Tax Examination Changes), which is used in traditional audit examinations. However, the CP2000 response form serves a similar purpose in the automated underreporter context: it is your signed acknowledgment of the proposed adjustments and your consent for the IRS to assess the additional tax without further proceedings.

Do not alter the figures on the response form unless the notice specifically instructs you to complete a calculation section. If you believe any figures are wrong, that is a disagreement or partial disagreement, not an agreement. Signing the agreement form while crossing out or modifying figures creates ambiguity that slows processing.

CP2000 Payment Options After Agreeing

Agreeing with the notice does not require immediate full payment if you cannot afford it. You have several options.

Pay in Full With Your Response

The fastest way to stop interest from accumulating further is to pay the full proposed balance when you submit your agreement. The notice includes a payment voucher for this purpose. You can pay by:

• Check or money order made payable to the United States Treasury, mailed with the payment voucher to the address on the notice
• IRS Direct Pay at IRS.gov, which allows bank account payments at no charge
• Electronic Federal Tax Payment System (EFTPS), which requires advance enrollment but is widely used for recurring payments
• Credit or debit card through an IRS-authorized payment processor (processing fees apply)

If paying by check, write your Social Security number, the tax year in question, and “CP2000” on the memo line to ensure the payment is applied to the correct account.

Request an Installment Agreement

If you cannot pay the full balance immediately, you can request an installment agreement to pay over time. You have two options:

• File Form 9465 (Installment Agreement Request) along with your agreement response. This formally requests a monthly payment plan.
• Apply online through your IRS online account at IRS.gov once the balance is formally assessed, which typically occurs within four to six weeks of the IRS processing your agreement.

If you owe $50,000 or less in combined tax, penalties, and interest, you may qualify for a streamlined installment agreement, which the IRS generally approves without requiring a full financial disclosure. Monthly payment amounts under a streamlined agreement must pay the balance in full within 72 months.

Note that interest continues to accrue on an unpaid balance even under an installment agreement. Paying more than the minimum each month reduces the total interest cost.

Currently Not Collectible Status

If your current financial situation makes it genuinely impossible to pay even a reduced monthly installment, you can request Currently Not Collectible (CNC) status. CNC status temporarily suspends IRS collection activity. The IRS will review your income and expenses and, if approved, will not levy wages or bank accounts while CNC status is in effect.

CNC status does not erase the debt or stop interest from accruing. The IRS reviews CNC status periodically and will resume collection if your financial situation improves.

Offer in Compromise

An Offer in Compromise (OIC) allows eligible taxpayers to settle a tax liability for less than the full amount owed. Eligibility depends on the IRS’s assessment of your ability to pay, income, expenses, and asset equity. The IRS has an online pre-qualifier tool at IRS.gov that can help you assess whether an OIC is worth pursuing before applying.

The OIC process takes time – typically several months to over a year – and acceptance is not guaranteed. In the meantime, interest continues to accrue and a federal tax lien may be filed. OICs are generally more appropriate for larger balances where full payment is genuinely not feasible.

What the IRS Does After Receiving Your Agreement

Processing the Response

After the IRS receives your signed agreement form, it processes the response and formally assesses the additional tax. Processing time varies but typically runs four to six weeks from the date the IRS receives your mailed response. During this period, the IRS may send an interim letter acknowledging receipt of your response.

The Notice of Assessment: CP22A

Once the IRS formally assesses the additional tax, it will send you a Notice CP22A confirming the assessment. This notice shows the total amount due, including the additional tax, any penalties assessed, and interest calculated through the assessment date. It is effectively a bill for the amount you agreed to.

If you paid in full with your response, the CP22A should reflect a zero balance or a small remaining balance due to interest that accrued between the notice date and the assessment date. If there is a small remaining balance, pay it promptly to avoid further accrual.

If you did not pay with your response and did not submit Form 9465, the CP22A will show the full balance due. At that stage, you can pay online through your IRS account, submit Form 9465 for an installment agreement, or call the IRS to discuss payment options.

If You Sent Payment With Your Agreement

If you enclosed a check or used Direct Pay at the time of your agreement submission, allow several weeks for the payment to be applied to your account. You can check the status of payments through your IRS online account. If the payment appears applied but the account still shows a small balance due to accrued interest, pay that remaining amount as soon as possible.

Penalties and Interest: What Is Assessed

When you agree with a CP2000 and the additional tax is assessed, the final amount typically includes three components: the additional tax itself, interest calculated from the original due date of the return, and any accuracy-related penalty proposed in the notice. Understanding each component is useful when evaluating whether to agree or when reviewing the CP22A assessment notice.

Interest

Interest on the additional tax accrues from the original due date of the return – not from the date of the CP2000 notice or the date of assessment. For a 2022 return, interest began accruing from April 18, 2023 (the 2022 filing deadline) regardless of when the CP2000 was issued. The IRS interest rate is the federal short-term rate plus three percentage points, adjusted quarterly and compounded daily.

Interest cannot be abated except in very limited circumstances involving IRS error or delay. Paying the balance promptly after agreeing limits the additional interest that accrues during the assessment process.

The Accuracy-Related Penalty

If the CP2000 proposes an accuracy-related penalty (typically 20% of the additional tax), that penalty is assessed along with the tax upon agreement unless you request abatement. Two avenues exist for challenging the penalty even while agreeing with the underlying tax:

• First-Time Penalty Abatement (FTA): If you have a clean compliance history for the three prior tax years – no penalties assessed, all returns filed on time – you may qualify for FTA, which removes the penalty administratively. You can request FTA by calling the IRS at the number on the notice or by submitting a written request.
• Reasonable Cause: If the underpayment resulted from a genuine error made in good faith – for example, relying on an incorrect Form 1099 issued by the payer before it was corrected – you can request abatement on reasonable cause grounds. This requires a written explanation describing the circumstances.

Requesting penalty abatement does not prevent you from agreeing with the underlying tax. You can sign the agreement form, indicate that you are requesting penalty abatement separately, and include a written request for abatement with your response.

For a detailed breakdown of what penalties and interest look like in practice after a CP2000 assessment, see our article on 

Can You Change Your Mind After Agreeing?

If you sign and submit an agreement form but later discover that the IRS figures were incorrect and your original return was right, you have limited but meaningful options.

Before formal assessment (within the processing period): If the IRS has not yet processed your agreement and formally assessed the tax, you may be able to withdraw your agreement by contacting the IRS at the phone number on the notice. This is more likely to be successful if done quickly and before the IRS processes the response.

After formal assessment: Once the tax is assessed, the standard remedy is to file an amended return on Form 1040-X for the tax year in question. The amended return allows you to present the correct figures and request a refund of any tax overpaid as a result of the erroneous agreement. The IRS will review the amended return and, if it agrees the original return was correct, will refund the overpayment.

The statute of limitations for claiming a refund is generally the later of three years from the date the original return was filed or two years from the date the tax was paid. Acting promptly after discovering an error is important.

Timeline Summary: From Agreement to Closure

• Day 1: You sign and mail the agreement form, with or without payment, by certified mail
• Weeks 2-6: IRS processes the mailed response; you may receive an interim acknowledgment letter
• Weeks 4-8: IRS formally assesses the tax and sends CP22A confirming the balance
• CP22A receipt: Pay the balance in full or submit Form 9465 for an installment agreement
• Balance paid: IRS closes the account; matter is resolved for the year in question

If you requested an installment agreement rather than paying in full, the matter remains open until the balance is fully paid. The IRS does not consider a matter closed while a balance is outstanding, even if payments are being made on schedule.

Summary

Agreeing with a CP2000 is a straightforward process: sign the response form, send it to the IRS, and arrange payment. If you cannot pay in full, an installment agreement is available for balances up to $50,000. If the notice included a proposed penalty, you can request abatement separately while still agreeing with the underlying tax. Interest will continue to accrue until the balance is paid, so prompt payment minimizes total cost. The IRS will send a CP22A confirming the assessment once processing is complete.