SuperMoney logo
SuperMoney logo

Letter 6018C Notice: What It Means and Next Steps

SuperMoney Team avatar image
Last updated 11/14/2024 by
SuperMoney Team
Fact checked by
Ante Mazalin
Summary:
IRS Letter 6018C is a request from the IRS for additional documentation to substantiate investment-related deductions claimed on your tax return. Receiving this letter does not imply an immediate penalty but indicates that the IRS needs further information before finalizing your return. Understanding why you received IRS Letter 6018C, what documentation to provide, and the steps to respond can help ensure a smoother process. This article explores the purpose of IRS Letter 6018C, how to respond effectively, and ways to minimize future IRS inquiries regarding your tax deductions.
Receiving IRS Letter 6018C means the IRS requires additional documentation related to deductions on your investments, which may have triggered a review. This letter does not necessarily mean that there are errors in your return, but it is essential to respond promptly to avoid delays in processing. In this article, we’ll cover what IRS Letter 6018C entails, how to provide the necessary documentation, and tips for keeping your records ready to prevent future requests.
Struggling with IRS notices? If you’ve received an IRS letter and aren’t sure how to handle it, you might want to explore professional tax relief options. Optima Tax Relief has helped thousands of people resolve their tax issues and get back on track with the IRS. Learn more about how they can assist you with your situation.

Get Competing Personal Loan Offers In Minutes

Compare rates from multiple vetted lenders. Discover your lowest eligible rate.
Get Personalized Rates
It's quick, free and won’t hurt your credit score

What is IRS Letter 6018C?

IRS Letter 6018C is a notice from the IRS requesting additional documentation to support certain investment-related deductions claimed on your tax return. This letter typically pertains to deductions that the IRS finds unclear or requires further substantiation to ensure they meet tax code requirements. While receiving this letter can be concerning, it primarily serves as a request for clarification and does not imply any immediate penalties or accusations of wrongdoing.

Why you might receive IRS Letter 6018C

Several reasons could lead to the issuance of IRS Letter 6018C:
  • Unclear investment deductions: If the IRS finds any of your investment deductions unclear or incomplete, it may require more information to verify their eligibility.
  • High deduction amounts: Large or unusual deduction claims may prompt the IRS to verify the legitimacy of these deductions.
  • Missing or inconsistent information: If your reported deductions do not align with other submitted information, the IRS may ask for additional documentation.
Receiving this letter signifies that the IRS wants to ensure the accuracy and legitimacy of your claimed deductions before finalizing your tax return.

How IRS Letter 6018C affects you

Although IRS Letter 6018C does not imply any immediate consequences, understanding its implications can help you stay prepared. Here’s how this letter may impact you:

Delays in processing your return

Receiving this letter may delay the processing of your tax return, particularly if the IRS requires further time to review the documents you provide. These delays can impact any potential refund or adjustments.

Requirement for accurate and complete documentation

The IRS expects thorough and precise documentation supporting each deduction. Ensuring that your records are accurate and comprehensive can expedite the review process and reduce the likelihood of further requests.

Increased scrutiny of future returns

If you receive Letter 6018C, the IRS may monitor similar deductions in future returns. Keeping organized and accurate records will be crucial in maintaining compliance and reducing the risk of future reviews.

Pro tip

Maintain a detailed record of all investment-related deductions each year. Organized records can simplify responses to IRS inquiries and minimize future review risks.

Steps to take when you receive IRS Letter 6018C

Receiving IRS Letter 6018C can lead to questions about what actions to take next. Follow these steps to handle it effectively:
  • Read the letter carefully: Review the specific documentation the IRS is requesting and any instructions for submission.
  • Gather required documents: Collect all relevant records, such as investment statements, receipts, and other documentation supporting your deductions.
  • Submit your documents promptly: Ensure you respond within the timeframe specified in the letter to avoid potential delays in your case.
  • Seek professional advice if necessary: Consulting a tax professional can provide guidance on the specific documents required and help you ensure compliance with IRS requirements.

How to respond to IRS Letter 6018C

Responding to IRS Letter 6018C involves submitting the requested documentation to substantiate your deductions. Here’s a step-by-step approach:

Organizing your documentation

Before submitting your response, organize all relevant documents to create a clear, complete submission. This includes investment receipts, brokerage statements, and any other documentation that supports your deductions.

Submitting your response on time

The IRS often includes a deadline in the letter. Make sure to send all requested documents within this timeframe. Missing the deadline can result in further delays or potential escalations.

Following up with the IRS if needed

If you don’t receive a response from the IRS within a reasonable period after submitting your documents, consider reaching out to confirm receipt. This proactive step can prevent miscommunication and ensure your response is complete.

Pro tip

If you’re unsure about your documentation, a tax professional can provide insights to ensure your submission meets IRS standards and avoid prolonged review periods.

How to avoid future IRS Letter 6018C notices

While it’s not always possible to avoid IRS inquiries, several proactive steps can reduce the likelihood of receiving additional requests like IRS Letter 6018C:
  • Keep detailed records: Maintain organized and thorough records of all investment deductions. This ensures that you have supporting documentation if needed.
  • Double-check deduction eligibility: Confirm that each deduction you claim aligns with IRS guidelines to avoid triggering reviews.
  • Stay informed about tax regulations: Tax laws change frequently. Understanding the current regulations for investment deductions can help you make accurate claims and avoid potential issues.
Taking these steps can help you stay prepared and minimize the risk of additional scrutiny from the IRS regarding your deductions.

Pro tip

Setting up an IRS online account can help you track the status of any inquiries and manage your tax documents more efficiently.

Consequences of not responding to IRS Letter 6018C

Failing to respond to IRS Letter 6018C can lead to further complications, including:
  • Escalation to penalties or audits: Ignoring the IRS’s request for documentation can result in additional penalties or an audit.
  • Delayed processing and refunds: Your tax return processing may be postponed if the IRS cannot verify the information provided.
  • Future scrutiny: Non-response may increase the likelihood of future reviews and closer examination of similar deductions.
Prompt responses to IRS requests are crucial to avoid these potential issues and facilitate a positive resolution.
Looking for the best way to reduce your tax burden? We’ve compiled a list of the Best Tax Relief Companies to help you navigate tax challenges and save money. Click here to discover trusted experts who can assist you with tax resolution, IRS negotiations, and more!

Frequently asked questions

What specific types of documentation does the IRS require for Letter 6018C?

The IRS may request various documents to support your investment-related deductions, such as brokerage statements, purchase and sale receipts, dividend records, and any other financial records detailing your investments and transactions. Be sure to provide clear, complete copies of these records as instructed in the letter to avoid further delays.

Can I dispute the IRS’s request if I believe my deductions are already justified?

Yes, you can contact the IRS if you believe you have already provided sufficient documentation or if you have concerns about the request. However, it’s generally advisable to supply the additional documents first to prevent any misunderstandings or delays in case processing. Consulting a tax professional can also help clarify the best course of action.

Will IRS Letter 6018C affect my tax refund if I am owed one?

Yes, receiving IRS Letter 6018C can delay your refund until the IRS has reviewed and verified the additional documentation for your investment deductions. Once the IRS completes its review, your refund (if owed) will be processed. Promptly providing the requested documentation can help expedite this process.

How long does the IRS typically take to respond after I submit my documentation?

The IRS review period can vary, but it generally takes several weeks to a few months to complete the review process after receiving your documentation. If you haven’t heard back within the timeframe mentioned in the letter or after a reasonable waiting period, consider contacting the IRS to check the status of your review.

What should I do if I lost some of the records the IRS requested?

If you are missing any requested documentation, try to obtain duplicates from your financial institution, brokerage, or other sources. In cases where records cannot be recovered, consider attaching a written explanation with your submission to the IRS, noting the missing documentation and any efforts to retrieve it. A tax professional can also advise on how best to handle this situation.
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 Letter 6018C requests additional documentation for investment-related deductions.
  • Providing accurate, organized documentation promptly can help expedite the review process.
  • Keeping thorough tax records can reduce the likelihood of future IRS inquiries.
  • Consulting a tax professional can help you ensure that your documentation is accurate and complete, reducing the risk of prolonged IRS review.
  • Responding promptly to IRS requests can prevent delays in tax processing and avoid potential penalties.

Share this post:

Table of Contents