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IRS Letter 3340C: What It Is and How to Respond

Silas Bamigbola avatar image
Last updated 11/14/2024 by
Silas Bamigbola
Fact checked by
Ante Mazalin
Summary:
IRS Letter 3340C, the Audit Reconsideration Denial Letter, is issued to taxpayers after the IRS reviews a previous audit and decides to partially or fully disallow a claim. Receiving this letter means the IRS has determined that the taxpayer’s reconsideration request does not justify altering the original audit outcome. It’s essential to understand why you received this letter and what steps you can take to respond. This article provides a detailed guide to help you navigate this situation, including explanations of IRS audit reconsiderations, possible reasons for denial, and how to appeal or resolve the decision effectively.
Receiving an IRS audit letter can be stressful, and when that letter is an Audit Reconsideration Denial, such as the IRS Letter 3340C, it can feel even more daunting. This notice indicates that the IRS reviewed your audit but found insufficient reason to adjust its original decision. Knowing how to respond is key to protecting your finances, whether you want to appeal, submit additional evidence, or explore other options. In this article, we’ll break down everything you need to know about IRS Letter 3340C, from understanding the denial reasons to taking the right steps to address it.

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What IRS Letter 3340C means

IRS Letter 3340C is an official notice sent to taxpayers to inform them that their request for an audit reconsideration has been denied. This letter is issued when a taxpayer disagrees with a previous IRS audit determination and submits additional evidence or explanations in an attempt to change the audit results. After reviewing this request, the IRS may issue Letter 3340C to indicate that the new evidence did not warrant any adjustment to the original audit.
The purpose of this letter is to clarify that, after reassessing the taxpayer’s claim, the IRS has chosen to partially or fully disallow it, maintaining the initial tax liability or changes imposed by the audit. Understanding the details of IRS Letter 3340C can help taxpayers determine their next steps and decide whether further action, such as an appeal, is appropriate.

Why the IRS issues Letter 3340C

Letter 3340C is issued for several reasons, usually after an audit reconsideration request has been reviewed and determined not to provide adequate justification for changing the audit’s outcome. Common reasons for receiving this letter include:
  • Insufficient evidence: The IRS found that the documents or explanations submitted did not sufficiently counter or correct the initial audit findings.
  • Statute of limitations: In some cases, the time allowed to adjust or appeal the audit results has expired, so the IRS cannot legally reconsider the audit.
  • Errors in submission: The information provided may have been incomplete or did not address the specific concerns raised in the initial audit.
Receiving this letter means that the IRS has determined the initial audit results are accurate based on the evidence reviewed, and it is up to the taxpayer to decide on further actions or payment plans if they cannot settle the balance in full.
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.

Pro Tip

Before submitting an audit reconsideration, consult a tax professional to ensure that the evidence provided directly addresses the issues raised in the original audit.

What to expect from the audit reconsideration denial process

Once the IRS sends Letter 3340C, taxpayers must understand the potential implications. Knowing what to expect will help you determine if further actions, such as appealing, may be worthwhile. Here’s an overview of what this denial letter entails:
  • Verification of original audit findings: By issuing this letter, the IRS confirms its belief that the audit’s original findings are accurate and justified.
  • Potential fees and penalties: If the denial letter confirms tax liabilities, penalties, and interest may be due. Ignoring the letter can lead to compounding penalties.
  • Limited appeal options: Taxpayers may appeal through the IRS Office of Appeals, but strict deadlines apply. Failure to meet these deadlines could limit further actions.
Understanding these consequences allows taxpayers to make informed choices about addressing the denied reconsideration and any financial responsibilities it may entail.

Common reasons for audit reconsideration denial

Receiving a denial after requesting audit reconsideration can happen for several reasons. By understanding these common factors, taxpayers can better prepare or avoid similar issues in the future:

Documentation did not meet requirements

The IRS requires specific documentation to support any adjustments to tax returns. If the evidence provided does not directly address the audit’s concerns, the IRS may deny the request. Common issues include:
  • Missing or incomplete forms and receipts.
  • Unclear documentation that doesn’t directly counter the audit findings.
  • Unsupported claims without sufficient evidence.

The statute of limitations has expired

In some cases, the IRS cannot alter an audit after a certain time. Generally, the IRS has three years to assess additional taxes after a return is filed, but this period can be extended under certain conditions. If the statute of limitations has expired, the IRS may deny reconsideration, even with new evidence.

The IRS deems the original findings accurate

If the IRS review of your reconsideration finds the initial audit results sound, it will deny the reconsideration. This is common if the initial audit findings were backed by clear evidence that the taxpayer cannot counter with the new documentation provided.

Pro Tip

Maintain well-organized tax records and supporting documentation for at least seven years to prepare for possible audits or IRS inquiries.

Steps to take after receiving IRS Letter 3340C

If you receive an Audit Reconsideration Denial Letter, taking immediate action can help minimize any potential financial impact. Here are critical steps to consider:

Review the letter carefully

Read IRS Letter 3340C thoroughly to understand why your reconsideration request was denied. Pay close attention to any deadlines for further actions, such as filing an appeal, and the tax year or issues referenced.

Gather additional evidence

If you believe the reconsideration denial was due to insufficient documentation, consider gathering additional evidence. This might include detailed receipts, contracts, or other forms of proof. New evidence may support a potential appeal or fresh reconsideration request.

Consider filing an appeal

If you strongly disagree with the denial, the next step could be to appeal. The IRS Office of Appeals allows taxpayers to dispute decisions under specific conditions. Keep in mind:
  • There is a strict deadline, often 30 days, to file an appeal after receiving Letter 3340C.
  • An appeal requires a clear explanation of why you believe the audit findings are incorrect.

Consult a tax professional

A qualified tax professional can offer valuable guidance on navigating the reconsideration denial process, filing an appeal, or setting up a payment plan. This assistance can be especially beneficial for complex audits involving significant amounts.

Alternative options if an appeal isn’t possible

When an appeal isn’t feasible, there are still options available to address the tax liability. Taxpayers can explore these alternatives:

Apply for a payment plan

If paying the full amount isn’t possible, the IRS offers payment plans. Both short-term and long-term installment agreements are available, allowing taxpayers to pay off their balance over time. Interest and fees will apply, but it helps avoid collection actions.

Request an offer in compromise

An offer in compromise (OIC) allows taxpayers to settle their tax debt for less than the full amount owed if they meet eligibility criteria. An OIC is typically granted when paying the total balance would create undue financial hardship.

Consider penalty abatement

If your reconsideration request was denied but you believe penalties are unfair, you may request penalty abatement. This option applies in cases of reasonable cause, such as illness or natural disaster, that prevented timely tax compliance.

Pro Tip

Use the IRS online account tool to monitor your tax balance, review recent notices, and apply for payment plans or offers in compromise.

Potential consequences of ignoring IRS Letter 3340C

Ignoring this denial letter can lead to several consequences, each with serious financial implications:
  • Additional penalties and interest: Failing to respond may lead to penalties for late payment, and interest will accumulate on the unpaid balance.
  • IRS collection actions: Ignoring the denial could prompt the IRS to initiate collection actions, such as levies, liens, or wage garnishments, to recover the amount owed.
  • Credit impact: Certain IRS collection actions, such as tax liens, can be reported on your credit history, potentially affecting your credit score and future borrowing options.
Responding promptly and exploring options like payment plans or appealing the decision can help avoid these repercussions and minimize financial strain.

How to prepare for future audits and avoid reconsideration denials

Preparing for potential audits and understanding best practices for tax documentation can reduce the likelihood of a denial if an audit does arise. Here’s how to be proactive:

Maintain accurate and organized records

Good recordkeeping is essential. Keep receipts, invoices, bank statements, and any documentation related to income, expenses, deductions, or credits claimed on your tax returns. Organized records can make a significant difference during an audit.

Double-check tax return entries

Avoid common tax filing mistakes by double-checking all entries on your return. Ensure that income, deductions, and credits are accurately reported and supported by proper documentation. Errors in reporting can trigger audits and lead to complications.

Consult a tax professional

Working with a tax professional can reduce your audit risk. Tax professionals ensure your returns comply with IRS regulations and that all claims are properly supported, reducing the chance of disputes.

Pro Tip

Retain tax records for at least seven years, as the IRS may request documentation to support your tax filings years after they’re filed.
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Frequently asked questions

What should I do if I disagree with IRS Letter 3340C?

If you disagree with the audit reconsideration denial, consider filing an appeal with the IRS Office of Appeals. Ensure you have new, relevant evidence to support your claim and file within the appeal deadline, typically 30 days from receiving the letter.

Can I request audit reconsideration more than once?

Yes, in some cases, the IRS may allow a second reconsideration request, especially if new, substantial evidence becomes available. However, this is less common and may require additional documentation.

What happens if I ignore IRS Letter 3340C?

Ignoring the letter can lead to IRS collection actions, including penalties, interest, levies, or liens. It’s advisable to respond promptly or seek assistance from a tax professional to address the letter.

How long do I have to respond to IRS Letter 3340C?

While specific deadlines vary, taxpayers generally have 30 days to respond, particularly if they intend to file an appeal. Prompt action is recommended to avoid any negative consequences.

Can a tax professional help with audit reconsideration denial?

Yes, a tax professional can assist by reviewing your case, helping gather additional evidence, and advising on appeals, payment plans, or other relief options. Their expertise can be invaluable in complex audit cases.
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 3340C is issued when the IRS denies a taxpayer’s request for audit reconsideration.
  • This letter confirms that the IRS upholds the original audit results and that additional evidence was insufficient.
  • Possible actions include filing an appeal, arranging a payment plan, or requesting an offer in compromise if full payment is challenging.
  • Ignoring Letter 3340C may lead to IRS enforcement actions such as liens or wage garnishments.

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IRS Letter 3340C: What It Is and How to Respond - SuperMoney