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CP220 Notice: Understanding IRS Adjustments to Your Tax Return

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Last updated 02/25/2025 by
SuperMoney Team
Fact checked by
Ante Mazalin
Summary:
The CP220 Notice is issued by the IRS when adjustments are made to a business tax return, resulting in changes to the balance due or a refund. This notice informs the taxpayer of the modification and provides details on what was adjusted. Understanding the CP220 Notice is crucial for ensuring compliance, addressing any inaccuracies, and taking the necessary next steps to resolve the matter efficiently.
Receiving a notice from the IRS can be daunting, especially when it involves changes to your business tax return. The CP220 Notice notifies you of adjustments made by the IRS that have resulted in a revised balance or refund amount. While this can seem alarming, understanding the notice and responding appropriately can help you resolve the issue without complications. In this article, we’ll break down the CP220 Notice, explain its purpose, and guide you on the steps to take if you receive one.
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What is a CP220 notice?

The IRS issues the CP220 Notice when they make an adjustment to a taxpayer’s business tax return. These changes can affect the overall balance, leading to either an increased liability or a reduced refund.

Why adjustments occur

Adjustments on a business tax return can happen for several reasons:
  • Errors in the original tax filing, such as miscalculations or missing information.
  • Updates based on additional information the IRS received after the return was filed.
  • Revised tax laws or regulations that impacted your filing retroactively.
  • Changes due to audits or reviews by the IRS.
The CP220 Notice provides specific details about the adjustment, including the reason for the change, the new balance, and any further actions required.

What to look for on the CP220 notice

When you receive a CP220 Notice, carefully review the following sections:
  • Adjustment details: This outlines what was changed on your return and why.
  • Revised balance: The notice specifies whether you owe additional tax, have a reduced refund, or are entitled to a larger refund.
  • Next steps: Instructions for addressing the notice, including payment options or documentation requests.

Pro Tip

Set up IRS account alerts online to get real-time notifications on any changes to your tax return or account. This helps you stay updated on adjustments and due dates.

How the CP220 notice affects you

The impact of a CP220 Notice varies depending on the adjustments made to your tax return.

Possible outcomes

  • Owing additional taxes: If the adjustment increases your tax liability, you’ll need to pay the new balance by the deadline provided to avoid penalties or interest.
  • Reduced refund: In some cases, the IRS might determine that your original refund claim was overstated, and they’ll issue a lower refund amount.
  • Increased refund: Occasionally, adjustments can work in your favor, leading to a larger refund.

Why timely action matters

Ignoring the CP220 Notice can lead to serious consequences, such as accruing penalties or interest on any unpaid balances. Additionally, delays in addressing the notice might complicate your tax situation further, potentially leading to enforcement actions like liens or garnishments.

Steps to take when you receive a CP220 notice

If you receive a CP220 Notice, it’s essential to act quickly and follow these steps:

1. Read and understand the notice

Review the notice in detail to understand the adjustments made and the reasons behind them. Pay close attention to any deadlines for payment or response.

2. Verify the accuracy of the adjustments

Cross-check the IRS’s calculations with your records. If you identify errors, you may need to provide additional documentation or file an amended return.

3. Respond promptly

  • If you agree with the adjustment, follow the payment instructions provided in the notice to settle any remaining balance.
  • If you disagree, contact the IRS directly or consult a tax professional to dispute the adjustment.

4. Keep detailed records

Retain a copy of the notice, along with all related correspondence and documentation. This can be valuable if issues arise later.

Pro Tip

Always keep detailed records of your tax filings, supporting documents, and IRS correspondence. This ensures you have proof to dispute errors or resolve issues quickly.

How to respond to the CP220 notice

Options for resolving the CP220 notice

  • Online: You can log in to your IRS online account to view the notice and make payments.
  • By mail: Respond by sending the necessary documentation or payment to the address listed on the notice.
  • By phone: Call the IRS helpline to discuss your notice and seek clarification.

Seeking professional assistance

If the adjustments are complex, or if you’re unsure how to proceed, consider consulting a tax professional. They can help you navigate the process and ensure that your response aligns with IRS requirements.

Further support options for addressing the CP220 notice

If you need additional help with your CP220 Notice, explore these resources:
  • Consult a certified tax professional, such as a CPA or tax attorney.
  • Use the IRS’s online tools or helpline for guidance.
  • Reach out to a taxpayer advocate service for free assistance if you’re facing difficulties.

Pro Tip

Consult a tax professional to review your CP220 Notice if you’re unsure about the adjustments. Their expertise can help you avoid further complications or penalties.

Potential penalties or next steps if you don’t respond

Failing to address the CP220 Notice can result in:
  • Accruing penalties and interest on any unpaid balances.
  • Delayed processing of future tax returns or refunds.
  • Enforcement actions, such as liens, levies, or wage garnishments.
Timely action is the best way to avoid these complications and ensure compliance with IRS requirements.

What potential outcomes are possible?

  • If you agree with the adjustments: Your account will be updated, and you can settle the balance or receive the revised refund.
  • If you disagree: You may contest the adjustments by providing evidence or filing an appeal.
  • If additional errors are found: Further adjustments may be made based on the documentation you provide.
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Frequently asked questions

What should I do if I can’t pay the balance due on the CP220 notice?

If you are unable to pay the balance due on the CP220 Notice, contact the IRS to explore payment plan options. The IRS offers installment agreements that allow you to pay your taxes over time. You can apply for a payment plan online through the IRS website or by calling their support hotline.

Can the CP220 notice result from an IRS error?

Yes, CP220 Notices can sometimes be issued due to IRS errors, such as data entry mistakes or misinterpretation of the information on your return. If you believe the adjustment is incorrect, contact the IRS and provide supporting documentation to dispute the notice.

Does receiving a CP220 notice mean my business is being audited?

No, receiving a CP220 Notice does not necessarily mean your business is under audit. The notice typically indicates that the IRS made adjustments to your tax return during routine reviews. However, if the adjustment raises additional concerns, it may lead to further inquiries or audits.

How can I ensure the same issue doesn’t happen again in future filings?

To prevent future issues that could result in a CP220 Notice, ensure your business tax returns are accurate and complete. Double-check calculations, include all required documentation, and consider working with a tax professional to avoid errors. Staying informed about changes in tax laws can also help you file correctly.

What happens if I need more time to respond to the CP220 notice?

If you need additional time to respond, contact the IRS before the deadline stated on the notice. In many cases, the IRS may grant extensions for providing documentation or paying the balance due, but you must request this extension proactively.
Need help understanding other IRS letters and notices? Visit our comprehensive guide to IRS Letters and Notices or search for the document you received in the table below.
IRS Letter or Notice Number
Notice Description
CP01The IRS verified your claim of identity theft and will monitor your account.
CP01HThe IRS received a tax return with a social security number that belongs to a dead person.
CP02HMoney is due on an amended return based on a grant received due to Hurricane Katrina, Rita, or Wilma.
CP03CYou received the First-Time Homebuyer Credit for a house you purchased.
CP04You may be eligible for tax deferment because either you or a spouse served in a combat zone, a qualified contingency operation, or a hazardous duty station during the tax year specified on your notice.
CP08You may be entitled to additional money due to the Additional Child Tax Credit.
CP10Your tax return changed due to a miscalculation, and the refund you wanted to apply to an estimated tax payment has changed.
CP10AYour tax return changed due to a miscalculation of the Earned Income Credit, and the refund you wanted to apply to an estimated tax payment has changed.
CP11You owe money because the IRS amended your return due to a miscalculation.
CP11AYour tax return changed due to a miscalculation of the Earned Income Credit, and the refund you wanted to apply to an estimated tax payment also changed.
CP11MYour tax return changed due to a miscalculation of the Making Work Pay and Government Retiree Credit, and the refund you wanted to apply to an estimated tax payment has changed.
CP12You are due a bigger refund because the IRS corrected one or more mistakes on your tax return.
CP12AThe IRS made changes to correct the Earned Income Credit (EIC) claimed on your tax return.
CP12E or CP12FThe IRS corrected a miscalculation on your return.
CP12MThe IRS made changes to the computation of the Making Work Pay and/or Government Retiree Credits on your return.
CP12RThe IRS made changes to the computation of the Rebate Recovery Credit on your return.
CP13The IRS made changes to your return due to a miscalculation. There is no refund or amount due. Your balance is zero.
CP13AThe IRS made changes to your return due to a miscalculation of the Earned Income Credit. There is no refund or amount due. Your balance is zero.
CP13MThe IRS made changes to your return due to a miscalculation of the Making Work Pay credit or the Government Retiree Credit. There is no refund or amount due. Your balance is zero.
CP13RThe IRS made changes to your return due to a miscalculation of the Recovery Rebate Credit. There is no refund or amount due. Your balance is zero.
CP14You owe money on unpaid taxes.
CP16The IRS made changes to your return due to a miscalculation. The refund you were due was applied to other tax debts.
CP21AYou owe money due to the changes you requested that the IRS make on your tax returns.
CP21BYou are due a refund due to the changes you requested that the IRS make on your tax returns. The money should arrive within 2 to 3 weeks.
CP21CThe IRS made the requested changes to your tax return. You will not receive a refund, and there is no tax due. Your balance is zero.
CP21EAs a result of your recent audit, the IRS made changes to your tax return, and you owe money as a result of those changes.
CP21IThe IRS made changes to your tax return relating to the Individual Retirement Arrangement (IRA) taxes. You owe money due to the changes.
CP22AThe IRS made the changes you requested, and you owe money as a result.
CP22EAs a result of your recent audit, the IRS changed your tax return, and you now owe money.
CP22IThe IRS made changes to your tax return relating to the Individual Retirement Arrangement (IRA) taxes. You owe money due to the changes.
CP23The IRS changed your return because there was a difference between the amount of estimated tax payments listed on your tax return and the amount actually posted to your account. You owe taxes due to these changes.
CP24The IRS changed your return because there was a difference between the amount of estimated tax payments listed on your tax return and the amount actually posted to your account. This resulted in an overpayment of estimated taxes.
CP24EThe IRS changed your return because there was a difference between the amount of estimated tax payments listed on your tax return and the amount actually posted to your account. This resulted in an overpayment of estimated taxes.
CP25The IRS changed your return because there was a difference between the amount of estimated tax payments listed on your tax return and the amount actually posted to your account. You are not due a refund, nor do you owe any money. Your balance is zero.
CP31You need to update your address because your refund check was returned to the IRS.
CP45The IRS was unable to apply your overpayment to your estimated tax as you requested.
CP49The IRS used all or part of your refund to pay a tax debt.
CP53Your refund check will be sent by mail because the IRS can’t provide your refund through direct deposit.
CP57The bank declined your payment, so the IRS was unable to draft funds from your bank account.
CP71A reminder of the amount you owe in tax, penalty, and interest.
CP71AA reminder of the amount you owe in tax, penalty, and interest.
CP71CA reminder of the amount you owe in tax, penalty, and interest.
CP71DA reminder of the amount you owe in tax, penalty, and interest.
CP88The IRS is holding your refund because you haven't filed one or more tax returns, and it believes you will owe tax.
CP90The IRS is notifying you of its intent to levy certain assets for unpaid taxes. You have the right to dispute the levy in a Collection Due Process hearing.
CP91The IRS will levy up to 15% of your social security benefits for unpaid taxes.
CP120The IRS needs documentation of your tax-exempt status.
CP120AYour organization’s tax-exempt status has been revoked because it failed to file a Form 990 series return for three consecutive years.
CP130You may no longer need to pay the Alternative Minimum Tax (AMT) because your tax return filing requirements changed.
CP152The IRS received your return.
CP153The IRS will send your refund by mail because your direct deposit did not go through.
CP161You have an unpaid balance due to the IRS.
CP166Your monthly payment to the IRS did not go through due to insufficient funds in your bank account.
CP178You may no longer owe excise tax because your tax return filing requirements changed.
CP231You need to update your address because your refund was returned to the IRS.
CP259You did not file the business tax return identified in the notice.
CP259AYou should have filed these forms but did not – Form 990/990-EZ, Return of Organization Exempt From Income Tax, or Form 990-N (e-Postcard).
CP259BThe IRS requires you to file these forms but did not – Form 990-PF, Return of Private Foundation or Section 4947(a)(1) Nonexempt Charitable Trust Treated as a Private Foundation.
CP259CThe IRS believes that you are a private foundation, but did not file the required Form 990-PF, Return of Private Foundation or Section 4947(a)(1) Nonexempt Charitable Trust Treated as a Private Foundation.
CP259DYou must file this form, but you did not – Form 990-T, Exempt Organization Business Income Tax Return.
CP259EYou should have filed this form, but you did not – Form 990-N (e-Postcard) or Form 990/990-EZ, Return of Organization Exempt From Income Tax.
CP259FThe IRS requires you to file this form but did not – Form 5227, Split-Interest Trust Information Return.
CP259GThe IRS requires you to file this form, but you didn’t – Form 1120-POL, U.S. Income Tax Return for Certain Political Organizations.
CP259HAs a tax-exempt political organization, you must file this form, but you did not – Form 990/990-EZ, Return of Organization Exempt From Income Tax.
CP276AYou submitted your tax liability schedule incorrectly. The IRS typically charges a Federal Tax Deposit (FTD) penalty for this but did not this time.
CP276BThe IRS did not receive the correct amount of tax deposits. It normally charges a Federal Tax Deposit (FTD) penalty but did not this time.
CP297The IRS is notifying you of its intent to levy certain assets for unpaid taxes. You have the right to dispute the levy at a Collection Due Process hearing.
CP297AThe IRS has levied your assets for unpaid taxes. You have the right to dispute the levy at a Collection Due Process hearing.
CP298The IRS notifying you of its intent to levy up to 15% of your social security benefits for unpaid taxes.
CP501You have a balance due on one of your tax accounts.
CP503You have an unpaid balance on one of your accounts, and the IRS has not heard from you.
CP504You have an unpaid amount due on your account. If you do not pay immediately, the IRS will levy your state income tax refund to apply it to the amount you owe.
CP504BYou have an unpaid amount due on your account. If you do not pay immediately, the IRS will levy certain property or rights to property to apply it to the amount you owe.
CP521A reminder that you have an installment agreement payment due.
CP523You have defaulted on your payment agreement. Therefore the IRS is terminating the agreement and will levy your assets.
CP601Usted tiene un saldo pendiente de pago (dinero que le debe al IRS) en una de sus cuentas contributivas.
CP603No hemos recibido respuesta de parte de usted y todavía tiene un saldo sin pagar en una de sus cuentas contributivas.
CP604Usted tiene un saldo sin pagar en su cuenta. De no pagar esta cantidad inmediatemente, el IRS embargará cualquier reembolso de impuestos estatales al que tenga derecho y aplicarlo al pago de su deuda.
CP604BUsted tiene un saldo sin pagar en su cuenta. De no pagar esta cantidad inmediatemente, el IRS embargará ciertas propiedades o derechos de propiedad y lo aplicará al pago de su deuda.
CP621Este aviso es para notificarle que usted tiene un plan de pagos a plazos vencido. Por favor, envíe el pago inmediatamente.
CP623Este aviso es para informarle nuestra intención de cancelar su plan de pagos a plazos y confiscar (embargar) sus bienes. Usted incumplió en su acuerdo.
CP711Nosotros realizamos cambios a su planilla debido a que entendemos que hubo un cálculo erróneo. Como resultado de estos cambios, usted adeuda dinero por sus contribuciones.
CP721Hicimos el(los) cambio(s) que usted solicitó a su declaración de impuestos para el año tributario que aparece en su aviso. Como resultado de éste(estos) cambio(s) usted debe dinero en sus impuestos.
CP722Hicimos el(los) cambio(s) que usted solicitó a su declaración de impuestos para el año tributario que aparece en su aviso. Como resultado de éste(estos) cambio(s) usted debe dinero en sus impuestos.
CP771Usted recibió este aviso para recordarle sobre la cantidad que adeuda en contribuciones, multas e intereses.
CP772Usted recibió este aviso para recordarle sobre la cantidad que adeuda en contribuciones, multas e intereses.
CP773Usted recibió este aviso para recordarle sobre la cantidad que adeuda en contribuciones, multas e intereses.
CP774Usted recibió este aviso para recordarle sobre la cantidad que adeuda en contribuciones, multas e intereses.
CP959Usted no radicó su planilla de contribución de negocios identificada en este aviso.
CP2000The income or payment information on file doesn’t match your tax return. The discrepancy may result in an increase or decrease in your tax due.
CP3219AThe IRS has received information that is different from what you reported on your tax return. This may result in an increase or decrease in your tax.
CP3219NThe IRS didn’t receive your tax return, so it calculated your return based on the information received from employers, financial institutions, and others. If you want to challenge the proposed tax, you have 90 days from the date of this notice. If you are outside the country, you have 150 days.
Letter 0012CThe IRS needs additional information to process your tax return.
Letter 0484CThe IRS wants a completed
Letter 0525Updates you on proposed changes after an IRS examination. Any changes are explained and details the refund due or taxes owed.
Letter 531IRS Notice of Deficiency. The information the IRS received about you was different from what you reported on your return.
Letter 0668D(LP 68)The IRS released their levy.
Letter 0549CYour tax bill was paid.
Letter 0681CThe IRS accepted your payment proposal. However, this is not a formal Installment Agreement.
Letter 0757CYou did not adhere to the terms of your Installment Agreement.
Letter LT 11The IRS plans to seize your property or rights to property.
Letter 1058The IRS has not received your payment. It plans to seize your property or rights to property.
Letter 1615 (LT 18)You must respond to the IRS within 10 days of this notice regarding past due tax returns.
Letter 1737 (LT 27)Complete and sign Form 433F, Collection Information Statement.
Letter 1961CYour application for a Direct Debit Installment Agreement was declined. It explains why and what you need to do to qualify.
Letter 1962CYour application for a
Letter 2050 (LT 16)The IRS is trying to collect unpaid taxes from you from returns that have been filed or from returns that have not been filed.
Letter 2257CThe IRS is providing the payoff amount that you requested.
Letter 226-JAn IRS letter to large employers notifying them that they may be liable for an Employer Shared Responsibility Payment (ESRP).
Letter 2271CA request for an Installment Agreement has been approved. It explains the fees and how to qualify for a Low Income Fee Reduction. The letter may also request missing information.
Letter 2272CAn IRS letter explaining why your request to pay the balance due in installments was declined.
Letter 2273CA confirmation letter of your request to pay the balance due in installments. It contained the amount to pay, fees charged, and where to send payment. Instructions on how to apply for the Low Income Fee Reduction included.
Letter 2318CA response to a request to pay taxes due to payroll deductions. It also explains the fees that are charged.
Letter 2357CThe IRS is admitting that it did not send you the balance due notices that it should have.
Letter 2603CThe IRS accepted your installment agreement. The IRS will file a Notice of Federal Tax Lien on your personal property.
Letter 2604CThe IRS has accepted your request for installment payments. This IRS letter provides the monthly payment, the address where to send it, and the fees charged. The letter also provides instructions on how to apply for the Low Income Fee Reduction.
Letter 2761CThe IRS is requesting your combat zone service dates to ensure that it provides you with the special provisions and protection of the combat zone deferment. Copies of military orders or other documentation to support your time served may be requested. Civilians working in support of the Armed Forces may be required to provide a Letter of Authorization or a letter from their employer.
Letter 2789CAn annual reminder notice, as required by law, of the balance due to the IRS. It explains that penalties and interest continue to accrue until the balance is fully paid.
Letter 2840CConfirms your Installment Agreement request and includes the payment amount and due date. This IRS letter explains the fees charged for paying monthly and explains how to apply for the Low Income Fee Reduction (if you qualify).
Letter 3030CProvides an explanation of the tax, penalty, and interest still due on your account.
Letter 3127CA confirmation of your request to make a change to your Installment Agreement. This IRS letter explains the fees for the change. Changes can be to the payment amount or due date, or it can include additional liabilities.
Letter 3174A reminder of taxes due after the IRS has sent a Notice of Intent to Levy.
Letter 3217CThe IRS has accepted your request to pay the balance in installments. This IRS letter provides your payment amount, the due date, and fees charged. The letter also provides instructions on applying for the Low Income Fee Reduction (if you qualify).
Letter 3228 (LT 39)A request to pay the balance due within 10 days using the envelope provided.
Letter 3500The IRS has received your documents, and it needs additional time to review them.
Letter 3572Your Federal Income Tax Return has been selected for examination. The IRS auditor requests that you call to schedule an audit appointment.
Letter 4883CThe IRS received your federal income tax return but needs more information to verify your identity in order to process your tax return accurately.
Letter 4903 (LT 26)You must file your tax returns immediately. The IRS has previously contacted you, but it did not receive a response.
Letter LP 47The IRS is trying to locate the person identified in the letter and is requesting that you provide their new address.
Letter LP 59The IRS has not received a response to the notice of levy it previously sent.
Audit Letter 2205The IRS manages audits either by mail or through an in-person interview to review your records. The interview may be at an IRS office (office audit) or the taxpayer’s home, place of business, or accountant’s office (field audit).
Letter 915You recently underwent an audit, and the IRS informs you that you now owe taxes.

Key takeaways

  • The CP220 Notice is issued when the IRS makes adjustments to a business tax return, resulting in a new balance or refund.
  • It’s essential to verify the adjustments and respond promptly to avoid penalties or further complications.
  • Contact a tax professional if the adjustments are complex or you disagree with the notice.
  • Ignoring the notice can lead to penalties, interest, and enforcement actions.

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