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IRS Form 5278: How to Handle Income Tax Adjustment Notices

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Last updated 11/26/2024 by
Silas Bamigbola
Fact checked by
Ante Mazalin
Summary:
IRS Form 5278, titled “Statement – Income Tax Changes,” serves as a formal document used in IRS audits or to support Notices of Deficiency. It outlines proposed changes to your tax return or informs you of tax liabilities for unfiled returns. Understanding and properly responding to this form is critical to avoid unnecessary penalties or escalating disputes with the IRS.
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Receiving a notice or form from the IRS is never ideal, and IRS Form 5278 is no exception. This form often follows an audit or is issued when unfiled returns result in presumed tax liabilities. Understanding the purpose of this document and knowing how to respond can save you time, money, and stress. In this guide, we’ll break down the details of IRS Form 5278 and walk you through the steps for addressing it effectively.

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What is IRS Form 5278?

IRS Form 5278, officially titled “Statement – Income Tax Changes,” is used to inform taxpayers of adjustments to their tax returns or proposed tax liabilities. While it’s not a bill, it serves as a critical step in the audit or deficiency process. Here’s what you need to know:
  • Audit results: The IRS issues this form after reviewing your tax return during an audit. It lists the changes they propose and serves as a basis for resolving discrepancies.
  • Support for Notices of Deficiency: The IRS may issue Form 5278 along with a Notice of Deficiency if you have unfiled tax returns or unresolved issues.
This form is essentially a summary of the IRS’s findings, and your response determines the next steps in resolving the matter.

Why is IRS Form 5278 issued?

The IRS may issue Form 5278 in several scenarios:
  • When they identify discrepancies in filed tax returns during an audit.
  • If you have unfiled tax returns, and the IRS estimates your tax liability using Wage and Income Transcripts.
  • When additional documentation or clarification is required to resolve tax issues.
Regardless of the reason, the form outlines proposed changes and gives you the opportunity to agree or dispute the findings.

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 to interpret IRS Form 5278

Understanding IRS Form 5278 involves carefully reviewing its content. The form includes:
  • Summary of changes: Details about adjustments to your income, deductions, or credits.
  • Supporting documentation: Forms or letters such as Form 4549-A or Letter 692 may accompany it to provide further context.
  • Action required: Instructions for agreeing to or disputing the proposed changes.
Ensure that you compare the form with your own tax records to identify discrepancies and determine your response.

Pro Tip

Always request your Wage and Income Transcripts from the IRS if you suspect discrepancies in income reporting. These transcripts are crucial for verifying what the IRS has on file versus your records.

Steps to respond to IRS Form 5278

Your response to Form 5278 depends on whether you agree or disagree with the IRS’s proposed changes. Here’s a step-by-step guide:

If you agree with Form 5278

If the IRS’s calculations align with your own records, take the following steps:
  1. Sign the second page of Form 5278 to indicate your agreement.
  2. Mail the signed form to the IRS using the address provided, ideally through certified mail.
  3. If you owe money, include payment if possible. If you cannot pay the full amount, wait for the IRS to send a bill with payment plan options.
Agreeing to the form means accepting the proposed changes, so ensure you’re confident in their accuracy before signing.

If you disagree with Form 5278

Disputing the proposed changes involves more steps but is essential if you believe the IRS made an error. Follow these steps:
  1. Gather supporting documents: Collect records such as receipts, bank statements, or Wage and Income Transcripts.
  2. Submit Form 12661: Use this form to formally dispute the IRS’s findings and provide an explanation for your disagreement.
  3. Request an appeal: File for an appeal within the IRS to have your case reviewed by an independent officer.
  4. Consider Tax Court: If the IRS issues a Notice of Deficiency, you can petition Tax Court within 90 days to challenge their findings.
Disputing IRS Form 5278 requires prompt action and thorough documentation to support your case.

Pro Tip

Before disputing IRS Form 5278, consult a tax professional to identify areas where additional evidence or legal arguments can strengthen your case. A well-prepared response can lead to a more favorable resolution.

Common issues addressed in IRS Form 5278

Form 5278 often highlights discrepancies related to income, deductions, or missing information. Here are some common issues:

Income discrepancies

The IRS may challenge your reported income by reviewing bank deposits or Wage and Income Transcripts. They often assume all deposits are taxable unless you can prove otherwise. To address income discrepancies:
  • Compare the IRS’s records with your own documentation.
  • Provide evidence to show that specific deposits are non-taxable (e.g., gifts or loan repayments).

Disallowed deductions

The IRS may reject deductions due to insufficient documentation. To resolve this:
  • Organize your records, including receipts, contracts, and transaction statements.
  • Submit additional evidence if the IRS deems your initial submission incomplete.

Missing records

If you’ve lost critical documents, you can reconstruct your records using:
  • Bank and credit card statements.
  • Affidavits from third parties.
  • Industry standards to estimate reasonable expenses.
Properly addressing these issues strengthens your case and improves your chances of resolving the matter favorably.

Pro Tip

If you’re missing records, use your bank and credit card statements to reconstruct your financial data. These documents can often fill in gaps and provide the proof needed to challenge IRS findings.

Legal implications of signing IRS Form 5278

Signing IRS Form 5278 is a legally binding agreement that finalizes the IRS’s proposed changes. By signing:
  • You agree to the adjustments and waive your right to dispute them later.
  • The IRS will proceed to process your case based on the agreed changes.
Before signing, consult a tax professional to ensure you fully understand the implications.
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Frequently asked questions

What is the difference between IRS Form 5278 and a tax bill?

IRS Form 5278 is not a tax bill but a document that outlines proposed changes to your tax return following an audit or review. It allows you to agree or dispute these changes. A tax bill, on the other hand, is a demand for payment, often issued after finalizing these adjustments if you owe additional taxes.

How should you prepare to dispute IRS Form 5278?

If you plan to dispute Form 5278, start by gathering all relevant tax records, such as receipts, bank statements, and Wage and Income Transcripts. Ensure your documentation is well-organized and addresses the specific issues outlined by the IRS. You may also need to fill out Form 12661 to formally state your disagreement and submit supporting evidence.

Can you request additional time to respond to Form 5278?

Yes, you can request an extension to respond to IRS Form 5278 by contacting the IRS directly. However, approval is not guaranteed, and it’s critical to act promptly. Extensions may be granted if you provide a valid reason, such as needing time to gather necessary documents or consult a tax professional.

What happens if you mistakenly sign Form 5278 but disagree with it later?

If you sign Form 5278, you are legally agreeing to the IRS’s proposed changes, making it difficult to dispute the adjustments later. If you signed by mistake or under duress, you should contact a tax attorney immediately to explore options for withdrawing or amending the agreement.

How does IRS Form 5278 relate to an audit timeline?

The IRS generally has three years from the date you file a return to audit it. Form 5278 may be issued during this period as part of the audit process. If time is running out, the IRS might ask you to sign Form 872 to extend the audit timeline. Consult a tax professional before agreeing to any extensions.
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

  • IRS Form 5278 communicates proposed changes to your tax return or informs you of unfiled return liabilities.
  • You can agree with the changes by signing the form or dispute them by providing supporting documentation.
  • Failing to respond may lead to a Notice of Deficiency and additional penalties.
  • Consulting a tax professional ensures you make informed decisions about responding to the form.

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IRS Form 5278: How to Handle Income Tax Adjustment Notices - SuperMoney