Listing of IRS Notices for Individuals

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Daniel Cohen

UpdatedJun 6, 2023

17 min read

Key Takeaways:

Never ignore a letter from the IRS.
Respond as directed, or risk aggressive collection efforts.
Consult with a tax professional, if threatened with a levy.
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Understand the IRS Notice You Received

Receiving a notice in the mail from the IRS is not like receiving a letter from Grandma.

It is natural to have a queasy feeling, when you are the recipient of a letter from the IRS. Still, it is important to open and read the letter.

If it is not bad news you will be relieved. If it is, unfortunately, bad news, then you can take the appropriate steps to act and head of or minimize any harm that could occur. The worst thing you can do, if you receive a threatening letter is to ignore it, as that will lead to aggressive IRS collection efforts, such as a wage garnishment, a bank levy, or the seizure of assets.

Different Types of Notices

There is a wide variety of IRS notices.

Some notices are sent to inform taxpayers that the IRS had made a change to a specific year’s return.

A notice can be sent to ask a taxpayer to update personal information or to confirm that the IRS received a taxpayer’s claim of identity theft and placed an indicator of that on your account.

A taxpayer can even get a notice that states that the IRS found an error that works in the taxpayer’s advantage and that money is due the taxpayer (one of rare times when you smile while reading an IRS notice!).

The most worrisome notices include the ones that threaten a levy or inform the taxpayer that a levy is in place, such as CP-504, CP-504b, and CP-523. If you receive a Notice of Intent to Levy or a Notice of Levy, you should take immediate action. You can call the IRS or you can consult with a tax relief professional.

What to Do if You Get an IRS Notice

If you receive a notice from the IRS, you should:

Look in the upper right-hand corner to find your notice number. Read the notice carefully. Each notice gives specific instructions on the steps you need to take to satisfy the IRS’ inquiry.
If you receive a notice with a correction for a specific year's return, you should review the letter and compare it with the information on your return. If you agree with the correction to your account, usually no reply is necessary unless a payment is due.
If you do not agree with the IRS' correction, then it is crucial that you respond as directed. You can send a written explanation, explaining why you disagree. Include any pertinent documents and information that you want the IRS to consider, along with the bottom tear-off portion of the notice. Mail the information to the IRS address as shown in the upper left-hand corner of the notice. Allow at least 30 days for a response.
Most correspondence can be handled without calling or visiting an IRS office. However, if you have any questions, you should call the telephone number in the upper right-hand corner of the notice. Make sure to have a copy of your tax return and the correspondence available when you call.
Be sure to keep copies of any correspondence with your records and detailed notes about any conversation that takes place.

You can read about the specific notice you received on the chart below, although not every IRS notice is on the list. You can click on the Notice Number and be taken to the official IRS Web page that explains the notice in detail. If you feel that you received a fraudulent notice or that you are the victim of identity theft, you should call the IRS at 1-800-829-1040 or visit a local IRS office.

IRS Individual Filer Notices

Notice Number	Description	Topic
CP01	The IRS received the information that you provided and have verified your claim of identity theft. The IRS have placed an identity theft indicator on your account.
CP01H	You received a CP 01H notice because the IRS was unable to process your tax return. The IRS has locked your account because the Social Security Administration informed the IRS that the Social Security number (SSN) of the primary or secondary taxpayer on the return belongs to someone who was deceased prior to the current tax year (before January 1, 2010 for a 2010 tax return).
CP02H	You owe a balance due as a result of amending your tax return to show receipt of a grant received as a result of Hurricane Katrina, Rita or Wilma.	Balance Due
CP03C	You received a tax credit (called the First-Time Homebuyer Credit) for a house you purchased. You may need to file a form to report a change in ownership to the house you purchased.
CP04	IRS records show that you or your spouse served in a combat zone, a qualified contingency operation, or a hazardous duty station during the tax year specified on your notice. As a result, you may be eligible for tax deferment.
CP08	You may qualify for the Additional Child Tax Credit and be entitled to some additional money.	Additional Child Tax Credit
CP10	The IRS made a change(s) to your return because it believes there’s a miscalculation. This change(s) affected the estimated tax payment you wanted applied to your taxes for next year.	Change To Your Estimated Tax Credit Amount
CP10A	The IRS made a change(s) to your return because it believes there’s a miscalculation involving your Earned Income Credit. This change(s) affected the estimated tax payment you wanted applied to your taxes for next year.	Change To Your Estimated Tax Credit Amount
CP11	The IRS made changes to your return because it believes there’s a miscalculation. You owe money on your taxes as a result of these changes.	Balance Due
CP11A	The IRS made changes to your return because it believes there’s a miscalculation involving your Earned Income Credit. You owe money on your taxes as a result of these changes.	Balance Due
CP11M	The IRS made changes to your return involving the Making Work Pay and Government Retiree Credit. You owe money on your taxes as a result of these changes.	Balance Due
CP12	The IRS made changes to correct a miscalculation on your return.
CP12A	The IRS made changes to correct the Earned Income Credit (EIC) claimed on your tax return.
CP12E or CP12F	The IRS made changes to correct a miscalculation on your return.
CP12M	The IRS made changes to the computation of the Making Work Pay and/or Government Retiree Credits on your return.
CP12R	The IRS made changes to the computation of the Rebate Recovery Credit on your return.
CP13	The IRS made changes to your return because it believes there’s a miscalculation. You’re not due a refund nor do you owe an additional amount because of IRS changes. Your account balance is zero.
CP13A	The IRS made changes to your return because it found an error involving your Earned Income Credit. You’re not due a refund nor do you owe an additional amount because of IRS changes. Your account balance is zero.
CP13M	The IRS made changes to your return involving the Making Work Pay credit or the Government Retiree Credit. You’re not due a refund nor do you owe an additional amount because of IRS changes. Your account balance is zero.
CP13R	The IRS made changes to your return involving the Recovery Rebate Credit. You’re not due a refund nor do you owe an additional amount because of changes. Your account balance is zero.
CP16	The IRS sent you this notice to tell you about changes it made to your return that affect your refund. The IRS made these changes because it believes there was a miscalculation. IRS records show you owe other tax debts and it applied all or part of your refund to them.
CP21A	The IRS made the change(s) you requested to your tax return for the tax year specified on the notice. You owe money on your taxes as a result of the change(s).	Balance Due
CP21B	The IRS made the change(s) you requested to your tax return for the tax year specified on the notice. You should receive your refund within 2-3 weeks of your notice.	Refund
CP21C	The IRS made the change(s) you requested to your tax return for the tax year specified on the notice. You’re not due a refund nor do you owe any additional amount. Your account balance for this tax form and tax year is zero.	Even Balance
CP21E	As a result of your recent audit, it made changes to your tax return for the tax year specified on the notice. You owe money on your taxes as a result of these changes.	Balance Due
CP21I	The IRS made changes to your tax return for the tax year specified on the notice for Individual Retirement Arrangement (IRA) taxes. You owe money on your taxes as a result of these changes.	Balance Due
CP22A	The IRS made the change(s) you requested to your tax return for the tax year specified on the notice. You owe money on your taxes as a result of the change(s).	Balance Due
CP22E	As a result of your recent audit, it made changes to your tax return for the tax year specified on the notice. You owe money on your taxes as a result of these changes.	Balance Due
CP22I	The IRS made changes to your tax return for the tax year specified on the notice for Individual Retirement Arrangement (IRA) taxes. You owe money on your taxes as a result of these changes.	Balance Due
CP23	The IRS made changes to your return because it found a difference between the amount of estimated tax payments on your tax return and the amount it posted to your account. You have a balance due because of these changes.
CP24	The IRS made changes to your return because it found a difference between the amount of estimated tax payments on your tax return and the amount it posted to your account. You have a potential overpayment credit because of these changes.
CP24E	The IRS made changes to your return because it found a difference between the amount of estimated tax payments on your tax return and the amount it posted to your account. You have a potential overpayment credit because of these changes.
CP25	The IRS made changes to your return because it found a difference between the amount of estimated tax payments on your tax return and the amount it posted to your account. You’re not due a refund nor do you owe an additional amount because of IRS changes. Your account balance is zero.
CP31	Your refund check was returned to the IRS, so you need to update your address.	Refund
CP45	The IRS were unable to apply your overpayment to your estimated tax as you requested.	Overpayment
CP53	The IRS can’t provide your refund through direct deposit, so it is sending you a refund check by mail.	Direct Deposits
CP71	You received this notice to remind you of the amount you owe in tax, penalty and interest.
CP71A	You received this notice to remind you of the amount you owe in tax, penalty and interest.
CP71C	You received this notice to remind you of the amount you owe in tax, penalty and interest.
CP71D	You received this notice to remind you of the amount you owe in tax, penalty and interest.
CP120	You need to send the IRS documentation of your tax-exempt status.	Tax Exemptions
CP120A	Your organization’s tax-exempt status has been revoked for failure to file a Form 990 series return for three consecutive years.
CP130	Your tax return filing requirements may have changed: You may no longer need to pay the Alternative Minimum Tax.	Filing Requirements
CP152	The IRS has received your return.	Confirmation of Return Receipt
CP153	The IRS can’t provide you with your refund through a direct deposit, so it is sending you a refund check/credit payment by mail.	Refund
CP166	The IRS was unable to process your monthly payment because there were insufficient funds in your bank account.	Payment Process
CP178	Your tax return filing requirements may have changed: You may no longer owe excise tax.	Filing Requirements
CP231	Your refund or credit payment was returned to the IRS and the IRS needs you to update your current address.	Address Update Needed
CP259	You didn’t file the business tax return identified in the notice.
CP259A	The IRS sent you this notice because IRS records indicate you should have filed a Form 990/990-EZ, Return of Organization Exempt From Income Tax, or Form 990-N (e-Postcard).
CP259B	The IRS sent you this notice because you didn’t file a Form 990-PF, Return of Private Foundation or Section 4947(a)(1) Nonexempt Charitable Trust Treated as a Private Foundation, that IRS records indicate you should have filed.
CP259C	The IRS sent you this notice because you are presumed to be a private foundation and you didn’t file a Form 990-PF, Return of Private Foundation or Section 4947(a)(1) Nonexempt Charitable Trust Treated as a Private Foundation, that IRS records indicate you should have filed.
CP259D	The IRS sent you this notice because you did not file a Form 990-T, Exempt Organization Business Income Tax Return, that IRS records indicate you should have filed.
CP259E	The IRS sent you this notice because IRS records indicate you should have filed a Form 990-N (e-Postcard) or Form 990/990-EZ, Return of Organization Exempt From Income Tax.
CP259F	The IRS sent you this notice because you did not file a Form 5227, Split-Interest Trust information Return, that IRS records indicate you should have filed.
CP259G	The IRS sent you this notice because you did not file a Form 1120-POL, U.S. Income Tax Return for Certain Political Organizations, that IRS records indicate you should have filed.
CP259H	The IRS sent you this notice because you are a tax-exempt political organization and did not file a Form 990/990-EZ, Return of Organization Exempt From Income Tax, that IRS records indicate you should have filed.
CP276A	The IRS didn’t receive a correctly completed tax liability schedule. The IRS normally charge a Federal Tax Deposit (FTD) penalty when this happens. The IRS decided not to do so this time.	FTD Penalty
CP276B	The IRS didn’t receive the correct amount of tax deposits. The IRS normally charge a Federal Tax Deposit penalty when this happens. The IRS decided not to do so this time.	FTD Penalty
CP501	You have a balance due (money you owe the IRS) on one of your tax accounts.
CP503	The IRS has not heard from you and you still have an unpaid balance on one of your tax accounts.
CP504	You have an unpaid amount due on your account. If you do not pay the amount due immediately, the IRS will seize (levy) your state income tax refund and apply it to pay the amount you owe.
CP504B	You have an unpaid amount due on your account. If you do not pay the amount due immediately, the IRS will seize (levy) certain property or rights to property and apply it to pay the amount you owe.
CP521	This notice is to remind you that you have an installment agreement payment due. Please send your payment immediately.
CP523	This notice informs you of IRS intent to terminate your installment agreement and seize (levy) your assets. You have defaulted on your agreement.
CP601	Usted tiene un saldo pendiente de pago (dinero que le debe al IRS) en una de sus cuentas contributivas.
CP603	No hemos recibido respuesta de parte de usted y todavía tiene un saldo sin pagar en una de sus cuentas contributivas.
CP604	Usted 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.
CP604B	Usted 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.
CP621	Este aviso es para notificarle que usted tiene un plan de pagos a plazos vencido. Por favor, envíe el pago inmediatamente.
CP623	Este aviso es para informarle nuestra intención de cancelar su plan de pagos a plazos y confiscar (embargar) sus bienes. Usted incumplió en su acuerdo.
CP711	Nosotros 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.
CP721	Hicimos 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.
CP722	Hicimos 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.
CP771	Usted recibió este aviso para recordarle sobre la cantidad que adeuda en contribuciones, multas e intereses.
CP772	Usted recibió este aviso para recordarle sobre la cantidad que adeuda en contribuciones, multas e intereses.
CP773	Usted recibió este aviso para recordarle sobre la cantidad que adeuda en contribuciones, multas e intereses.
CP774	Usted recibió este aviso para recordarle sobre la cantidad que adeuda en contribuciones, multas e intereses.
CP959	Usted no radicó su planilla de contribución de negocios identificada en este aviso.