IRS Correspondence Guides
Everything you need to know about IRS letters, notices, deadlines, and your rights as a taxpayer.
Fundamentals
Why You Should Never Ignore IRS Mail
That envelope from the IRS is not junk mail. Ignoring it can turn a manageable tax issue into a financial disaster.
How to Identify Your IRS Letter or Notice Number
Every IRS letter has a code. Here is exactly where to find it and what the format means.
The Difference Between an IRS Notice and an IRS Letter
Notices and letters come from different parts of the IRS and mean very different things for your case.
How to Read Your IRS Account Transcript to Understand Your Letters
Every IRS letter is reflected on your account transcript. Learning to read the transcript gives you the full picture.
Deadlines
IRS Letter Deadlines You Cannot Afford to Miss
Some IRS deadlines are absolute. Miss them and you lose rights you can never get back.
The IRS Statutory Notice of Deficiency: The Most Important Letter You Will Ever Receive
The 90-day letter is your last chance to challenge the IRS before paying. Miss the deadline and you lose your day in court.
Action Plans
What to Do the Moment You Receive an IRS Letter
A step-by-step action plan for the first 24 hours after you open an IRS letter.
7 Common Mistakes When Responding to IRS Letters
Most taxpayers make the same errors when dealing with IRS correspondence. Here is how to avoid them.
When to Hire a Tax Attorney for Your IRS Letter
Not every IRS letter requires professional help. But some absolutely do. Here is how to tell the difference.
Collections
The IRS Collection Notice Sequence: From First Notice to Levy
The IRS follows a specific escalation path before taking enforcement action. Here is every step.
Can the IRS Levy Your Bank Account Without Notice?
The short answer is generally no. The IRS must follow a specific notice sequence before levying. Here is what that looks like.
IRS Installment Agreement Letters: What They Mean for Your Payment Plan
Once you set up a payment plan with the IRS, the letters keep coming. Here is what each one means.
The IRS Trust Fund Recovery Penalty: Letters That Can Change Your Life
If you are responsible for a business that owes payroll taxes, the IRS can come after you personally. Here are the letters that signal it.
What Is a Collection Due Process Hearing and Why the IRS Letter Matters
A CDP hearing is your legal right to challenge IRS collection actions. The letter that triggers it has a hard 30-day deadline.
IRS Offer in Compromise Letters: From Submission to Acceptance
The OIC process generates its own set of letters. Here is what to expect at every stage.
How Long Does the IRS Have to Collect? Understanding the CSED and IRS Letters
The IRS has a limited time to collect tax debts. Understanding the collection statute can change your entire strategy.
IRS Passport Revocation Letters: When Tax Debt Grounds You
If you owe more than a certain amount, the IRS can certify your debt to the State Department and have your passport revoked or denied.
Identity
IRS Identity Verification Letters Explained
The IRS is increasingly aggressive about verifying your identity before processing returns. Here is what those letters mean.
IRS Letters About Identity Theft: The CP01 Series
If someone filed a tax return using your Social Security number, the IRS has a series of letters to address it.
Notices
Understanding the IRS CP2000 Notice
The CP2000 is one of the most common IRS notices. It proposes changes to your return based on income the IRS thinks you did not report.
IRS Math Error Notices: When the IRS Changes Your Return Without an Audit
The IRS can change your return through the math error process, and your rights are more limited than you think.
IRS Letters
IRS CP14 Notice: What It Means and What to Do
The CP14 is the most common IRS notice in America. It means you owe money. Here's how to handle it.
IRS CP2000 Notice: Underreported Income
The IRS says your income doesn't match their records. Before you panic or pay, read this.
IRS CP90 Notice: Final Notice of Intent to Levy
The CP90 is the IRS's final warning before they levy your bank account and wages. You have 30 days.
IRS Letter 1058: Final Notice Before Levy
LTR 1058 is the IRS's final notice of intent to levy. It triggers your CDP hearing rights. Don't waste them.
IRS CP504 Notice: Intent to Levy
The CP504 is the last notice before the IRS sends the final levy notice. Your state refund is already at risk.
IRS CP501 Notice: First Reminder of Balance Due
The CP501 is the IRS's first reminder that you still owe. It's your cheapest opportunity to resolve the balance.
IRS Letter 12C: Missing Information to Process Your Return
The IRS can't process your return without additional documents. Here's how to respond and avoid months of delays.
IRS CP523 Notice: Your Installment Agreement Is About to Default
The CP523 means the IRS is about to terminate your payment plan. You have 30 days to fix it or face full collection.
IRS Letter 3219: Statutory Notice of Deficiency (90-Day Letter)
The LTR 3219 is the most important letter the IRS sends. Miss the 90-day deadline and you lose your right to Tax Court.
IRS CP05 Notice: Your Return Is Under Review
The CP05 means the IRS is reviewing your return and holding your refund. Here's what to expect and when to worry.
IRS CP503 Notice: Second Balance Due Reminder
The CP503 is the IRS's second reminder. The tone is sharper and the consequences are closer. Time to act.
IRS Letter 3172: Notice of Federal Tax Lien Filing
The IRS filed a lien against your property. You have 30 days to request a CDP hearing. Here's what that means.
IRS CP3219A Notice: Statutory Notice of Deficiency
The CP3219A is the automated version of the 90-day letter. Same deadline. Same consequences. Same urgency.
IRS Letter 525: The 30-Day Letter After Audit
The LTR 525 gives you 30 days to accept or protest the IRS's proposed audit changes. This is your best shot at Appeals.
IRS CP162 Notice: Late Filing Penalty for Business Returns
The CP162 is a penalty notice for late-filed partnership or S-Corp returns. The penalty is steep, but it's often abatable.
IRS Letter 1153: Proposed Trust Fund Recovery Penalty
The LTR 1153 proposes personal liability for unpaid employment taxes. This is one of the most serious letters the IRS sends.
IRS CP59 Notice: We Don't Have a Record of Your Return
The CP59 is the IRS's first notice that you haven't filed a tax return. What you do next determines whether this stays simple or gets ugly.
IRS Letter 686C: Offer in Compromise Rejected
Your Offer in Compromise was rejected. You have 30 days to appeal. Don't let that deadline pass.
IRS CP161 Notice: Penalty Balance Due
The CP161 means the IRS assessed a penalty and now you owe it. Before you pay, check whether you qualify for abatement.
IRS LT11 Notice: Final Notice of Intent to Levy
The LT11 is the IRS's final warning before levy. Same as CP90 and LTR 1058. Same 30-day deadline. Same urgency.
IRS CP71 Notice: Annual Reminder of Balance Due
The CP71 is the IRS's annual reminder that you still owe. It looks routine, but it carries strategic importance.
IRS CP508C Notice: Passport Certification
The IRS can revoke or deny your passport for seriously delinquent tax debt. The CP508C means they've done it.
IRS CP2566 Notice: Substitute for Return
The IRS filed a tax return for you. It's almost certainly worse than what you would have filed. Here's how to fix it.
IRS CP75 Notice: EITC Under Examination
The IRS is auditing your Earned Income Tax Credit claim. Send complete documentation or lose the credit entirely.
IRS Letter 566: Information Document Request
The LTR 566 is the IRS's formal request for records during an audit. How you respond determines the outcome.
IRS Letter 950: 30-Day Letter (Audit/Appeals)
The LTR 950 gives you 30 days to accept audit changes or file a protest to Appeals. This window is critical.
IRS CP12 Notice: Math Error Corrected
The IRS found a math error on your return and corrected it. Your refund changed. You have 60 days to dispute it.
IRS Letter 488C: Identity Verification Required
The IRS needs to verify your identity before processing your return. Complete verification quickly to release your refund.
IRS CP87A Notice: Someone Else Claimed Your Dependent
Two people claimed the same dependent. The IRS wants to know who has the right. Here's how to respond.
IRS Letter 2840C: Offer in Compromise Accepted
Your OIC was accepted. Congratulations. Now don't blow it. Here's what the next 5 years look like.
IRS CP297 Notice: Final Levy Notice for Businesses
The CP297 is the business equivalent of the CP90. Final levy notice with CDP rights. The 30-day deadline applies.
IRS Letter 6173: Digital Asset Compliance
The LTR 6173 is the most aggressive of the IRS crypto letters. It requires a response and suggests they have data on you.
IRS CP515 and CP518: Non-Filer Escalation Notices
The CP515 and CP518 are the IRS's second and final warnings before they file a return for you. Time is running out.
IRS Letter 4464C: Return Selected for Review
The LTR 4464C means the IRS selected your return for review. Your refund is on hold until the review is complete.
IRS CP21A Notice: Account Adjusted — You May Owe
The IRS adjusted your account and now you owe money. Verify the adjustment before you pay.
IRS CP63 Notice: Refund Frozen for Unfiled Returns
The IRS won't release your refund until you file the returns you've been skipping. File them and the refund follows.
IRS Letter 692: Audit Appointment
The LTR 692 schedules your audit appointment. Here's how to prepare and what to bring.
IRS CP49 Notice: Refund Applied to Another Tax Year
The IRS took your refund and applied it to a balance you owe in another year. Here's what happened and what you can do.
IRS CP30 Notice: Estimated Tax Penalty
The IRS assessed a penalty because you didn't pay enough tax during the year. The penalty is avoidable and sometimes removable.
IRS Letter 3586: Trust Fund Recovery Penalty Interview
The IRS wants to interview you about unpaid employment taxes. What you say in this interview determines personal liability.
IRS CP01 Notice: Identity Theft Claim Verified
The IRS confirmed your identity theft claim. Your account is now protected. Here's what changes going forward.
IRS CP01A Notice: IP PIN Assigned
The IRS assigned you an Identity Protection PIN. You need this number to file your tax return. Don't lose it.
IRS CP09 Notice: You May Qualify for Earned Income Credit
The IRS thinks you left money on the table. The CP09 says you may be eligible for EITC you didn't claim.
IRS CP91 Notice: Intent to Levy Social Security Benefits
The IRS intends to levy your Social Security payments. Yes, they can do that. Here's how to stop it.
IRS CP22A Notice: Changes to Your Return — Balance Due
The IRS changed your return and now you owe money. Review the changes before you pay.
IRS Letter 507C: Identity Verification Required
The LTR 507C is one of the most recognized IRS identity verification letters. Verify quickly to release your refund.
IRS Letter 5747C: In-Person Identity Verification
The LTR 5747C requires you to verify your identity in person at a Taxpayer Assistance Center. No shortcuts.
IRS CP259 Notice: Business Return Not Filed
The IRS expected a business return from you and didn't get it. File now or face penalties and an SFR.
IRS CP80 Notice: Credit on Account, Return Not Filed
The IRS has estimated tax credits for you but no return to apply them to. File the return to claim your money.
IRS Letter 220: Initial Audit Contact
The LTR 220 is the IRS's first contact that your return has been selected for examination. Here's what it means.
IRS Letter 4112C: Offer in Compromise Returned
Your OIC was returned without consideration. It's not a rejection — it means something was missing. Here's how to fix it.
IRS CP54B Notice: Misapplied Payment
The IRS applied your payment to the wrong account or tax period. Here's how to get it redirected.
IRS Letter 2205A: Field Audit Notification
The LTR 2205A means a Revenue Agent has been assigned to examine your return. This is a field audit — the most comprehensive type.
IRS CP210 Notice: Business Account Adjusted — Balance Due
The IRS adjusted your business account and you owe money. Review the adjustment against your filed return.
IRS CP215 Notice: Business Penalty Assessed
The IRS assessed a penalty on your business return. Common, costly, and often removable.
IRS Letter 3391: Frivolous Return Penalty Warning
The LTR 3391 warns that your return or submission contains a frivolous position. Correct it immediately or face a $5,000 penalty.
IRS CP2100 Notice: First B-Notice for Backup Withholding
The IRS found TIN mismatches on your 1099s. You must correct them or begin backup withholding at 24%.
IRS Letter 5699: Business Non-Filer Inquiry
The IRS is asking why your business didn't file a return. Respond now or face penalties and potential SFR.
IRS CP502 Notice: Second Balance Due Reminder
The CP502 falls between the CP501 and CP503 in the collection sequence. The IRS is losing patience.
IRS CP01B Notice: Additional Information Needed for ID Theft
The IRS is working your identity theft case but needs more from you. Respond within 30 days to keep the case moving.
IRS CP01E Notice: Employment-Related Identity Theft
Someone used your Social Security number to get a job. The IRS is letting you know. Here's what it means for your taxes.
IRS CP02 Notice: You May Not Be Entitled to EITC
The IRS says you may not qualify for the Earned Income Tax Credit you claimed. Respond with documentation or lose the credit.
IRS CP06 Notice: Premium Tax Credit Adjustment
The IRS adjusted your Premium Tax Credit. If you got ACA marketplace insurance, this notice affects your refund or balance.
IRS CP08 Notice: You May Qualify for Additional Child Tax Credit
The IRS thinks you're eligible for a refundable credit you didn't claim. This notice could mean money back.
IRS CP11 Notice: Balance Due From Return Processing Changes
The IRS changed your return during processing and now you owe money. Review the changes carefully.
IRS CP23 Notice: Estimated Tax Payment Mismatch
The estimated tax payments you claimed on your return don't match what the IRS has on file. Here's how to fix it.
IRS CP27 Notice: Earned Income Credit Reduced or Removed
The IRS reduced or eliminated your EITC due to a math error or eligibility issue. You have 60 days to dispute it.
IRS CP31 Notice: Refund Check Returned
The IRS mailed your refund check but it was returned undeliverable. Update your address and request a reissue.
IRS CP32 Notice: Refund Frozen — Injured Spouse May Apply
Your joint refund was seized to pay your spouse's debt. If you're the 'injured spouse,' you can get your share back.
IRS CP52 Notice: Self-Employment Tax Correction
The IRS corrected your self-employment tax on Schedule SE. Compare the correction to your original return.
IRS CP57 Notice: Bad Check Penalty
Your payment to the IRS bounced. Now you owe the original amount plus a penalty. Here's how to resolve it.
IRS CP79 Notice: EITC Banned
The IRS has banned you from claiming EITC for 2 or 10 years. Here's what triggered the ban and what it means.
IRS CP88 Notice: Refund Held for Delinquent Returns
Your refund is frozen because you have unfiled returns. File them to release the money.
IRS CP92 Notice: Social Security Benefits Levied
The IRS is now levying your Social Security payments. Up to 15% of your monthly benefit goes to the IRS.
IRS CP171 Notice: Annual Balance Due Reminder — Business
The CP171 is the business version of the CP71. Your business has an outstanding balance the IRS wants you to know about.
IRS CP10 Notice: Overpayment Applied to Estimated Tax
The IRS applied your overpayment to next year's estimated tax as you requested. Verify the amount is correct.
IRS CP13 Notice: No Refund, No Balance Due
The IRS adjusted your return and the result is a wash. No refund, no balance. Verify the math and move on.
IRS CP14H Notice: ACA Shared Responsibility Payment
The CP14H is a balance due for the individual mandate penalty. It only applies to pre-2019 tax years.
IRS CP16 Notice: Return Errors Corrected — Refund Changed
The IRS found errors on your return and corrected them. Your refund is different from what you expected.
IRS CP20 Notice: Tax Credit Adjustment
The IRS changed a tax credit on your return. The result may be a balance due or a reduced refund.
IRS CP24 Notice: Estimated Payment Discrepancy — Refund Affected
The estimated tax payments the IRS has on file differ from what you claimed. Your refund has been adjusted.
IRS CP39 Notice: Overpayment Applied to Other Tax Periods
The IRS used your overpayment from one year to pay balances in other years. Review which periods got credit.
IRS CP42 Notice: Refund Reduced for Past-Due Obligations
Your refund was intercepted to pay a non-tax debt: child support, student loans, or state obligations.
IRS CP44 Notice: Refund Held Pending Return Review
Your refund is being held while the IRS reviews your return. This is different from a standard processing delay.
IRS CP45 Notice: Overpayment Applied to Next Year's Estimated Tax
You elected to apply your refund to next year's estimated taxes. The CP45 confirms the IRS made the application.
IRS CP53 Notice: Refund Delayed
The IRS is having trouble processing your refund. The CP53 means there's a technical issue, not a problem with your return.
IRS CP60 Notice: Payment Not Found or Not Credited
You made a payment but the IRS says they don't have it. Prove the payment and get your account corrected.
IRS CP104 Notice: Address Change Verification
The IRS changed the address on your account. If you didn't request this change, act immediately.
IRS CP136 Notice: Penalty Removed From Account
The IRS removed a penalty from your account. Verify the correct penalty was removed and the right amount was credited.
IRS CP187 Notice: Business Return Penalty Assessed
The IRS assessed a penalty on your business return. Similar to CP215 but for different return types. Review and consider abatement.
IRS CP220 Notice: Business Account Penalty or Interest Change
The IRS changed the penalties or interest on your business account. Review the changes and verify accuracy.
IRS CP231 Notice: Refund Sent to Old Address
Your refund was mailed but you've moved. Update your address and request a new check.
IRS CP256V Notice: ACA Employer Shared Responsibility Payment
The IRS is proposing a penalty because your business didn't offer adequate health coverage. The amounts can be massive.
IRS CP2100A Notice: Second B-Notice for Backup Withholding
This is the second B-notice. You must begin backup withholding at 24% immediately on affected payees.
IRS Letter 431C: Request for Supporting Documents
The IRS needs documents to continue processing your return. Send everything they ask for the first time.
IRS Letter 531: Audit Follow-Up
The LTR 531 is follow-up correspondence during an audit. It may request additional records or schedule further review.
IRS Letter 854C: Additional Verification Request
The IRS needs more proof of your identity or account information. Follow the specific instructions on the letter.
IRS Letter 915: Request for Books and Records
The LTR 915 asks you to provide books and records for an examination. Your response determines the audit outcome.
IRS Letter 725A: Audit Appointment Scheduled
The IRS scheduled an office audit appointment. Prepare your records and consider representation.
IRS Letter 3284C: Innocent Spouse Preliminary Determination
The IRS made a preliminary decision on your innocent spouse request. If denied, you have 30 days to appeal.
IRS Letter 3708: International Information Return Penalty
The IRS assessed penalties for late or missing international information returns. The amounts can be staggering.
IRS Letter 4564: Information Document Request (Field Exam)
The LTR 4564 is the IDR used in field examinations. It's the Revenue Agent's formal request for your records.
IRS Letter 6174: Digital Asset Education Letter
The IRS is educating you about crypto tax obligations. No response required, but take it seriously.
IRS Letter 2030: Notice of Levy
The IRS has issued a levy to a third party holding your assets. Money or property is being seized.
IRS LT16 Notice: Intent to Levy on Wages
The IRS intends to levy your wages. A continuous garnishment that takes a large portion of every paycheck.
IRS LT23 Notice: Installment Agreement May Default
Your installment agreement is at risk. The LT23 is a warning to cure the problem before the agreement terminates.
IRS LT24 Notice: Installment Agreement Terminated
Your installment agreement has been terminated. The IRS can now resume full collection activity.
IRS LT39 Notice: Currently Not Collectible Status Confirmed
The IRS determined you can't pay right now. Collection is suspended, but the debt doesn't disappear.
IRS LT40 Notice: IRS Intends to Contact Third Parties
The IRS is notifying you that they plan to contact your employer, bank, or other parties to verify your information.
IRS CP05A Notice: Documentation Needed to Verify Return
The IRS review requires your documentation. Send everything they ask for within 30 days to release your refund.
IRS CP2501 Notice: Underreporter Follow-Up
The IRS is following up on an earlier underreporter notice. If you didn't respond to the CP2000, respond to this one.
IRS CP283 Notice: Exempt Organization Return Penalty
Your nonprofit's Form 990 was filed late. The penalty is steep, but abatement is often available.
IRS CP504B Notice: Intent to Levy — Passport at Risk
The CP504B warns of levy action and passport certification. If you owe enough, your passport is on the line.
IRS CP521 Notice: Installment Agreement Payment Reminder
The CP521 is your periodic installment agreement statement. Review it to make sure payments are being applied correctly.
IRS CP75D Notice: EITC Recertification Required
You must file Form 8862 to reclaim EITC after a prior denial. Without it, the credit is automatically rejected.
IRS CP566 Notice: Identity Theft Case Acknowledged
The IRS received your identity theft claim and assigned a case. Here's what happens during the investigation.
IRS CP567 Notice: Identity Theft Case Resolved
Your identity theft case is closed. Verify your account is clean and set up protections for the future.
IRS Letter 96: Appeals Case Acknowledged
The IRS Office of Appeals received your case. This is an acknowledgment, not a resolution. Watch for the next step.
IRS Letter 148C: Installment Agreement Accepted
Your payment plan has been approved. Review the terms carefully — compliance is mandatory for the life of the agreement.
IRS Letter 264C: Processing Delay Notice
The IRS needs more time to process your request or return. This is an informational notice — no action required.
IRS Letter 380: Appeals Conference Scheduling
Your Appeals conference has been scheduled. Prepare your case and be ready to negotiate.
IRS Letter 446C: Refund Held Pending Verification
Your refund is frozen while the IRS verifies specific items. Complete the verification to release your money.
IRS Letter 4800C: Questionable Wages and Withholding Review
The IRS is questioning whether the wages and withholding on your return are legitimate. Provide extensive documentation.
IRS Letter 585: Trust Fund Recovery Penalty Notice
The LTR 585 relates to the trust fund recovery penalty. Understand what's been assessed and your options.
IRS Letter 3311: Appeals Decision Letter
Appeals has made their decision. If you disagree, you may have 30 days to petition Tax Court.
IRS Letter 3572: Audit Closed — No Change
The audit is over and the IRS isn't changing anything. Your return stands as filed. Keep this letter.
IRS Letter 5071C: Identity Theft Verification Needed
The IRS needs to verify your identity due to potential identity theft. Complete verification to process your return.
IRS LT14 Notice: Unable to Reach You
The IRS tried to contact you about your tax debt and couldn't reach you. This precedes more aggressive collection.
IRS LT22 Notice: Balance Due With Payment Options
The IRS is reminding you of your balance and laying out your payment options. Take advantage of them before enforcement.
IRS LT75 Notice: Intent to Seize Property
The IRS intends to seize your property to satisfy unpaid taxes. This is the most aggressive collection action.
IRS CP01C Notice: Identity Theft Case Update
The IRS is providing an update on your identity theft case. Review it and respond if they need additional information.
IRS CP01H Notice: Account Locked — SSN of Deceased Person
The IRS locked your account because their records show your SSN belongs to a deceased person. Fix this immediately.
IRS CP51A Notice: Balance Due on Form 1040
The CP51A is a balance due notice specific to individual income tax. First in a three-notice escalation series.
IRS CP71A Notice: Annual Balance Reminder With Payment Options
The annual reminder of your tax debt, now with a menu of payment options. Review your CSED and choose wisely.
IRS CP71C Notice: Annual Reminder — Currently Not Collectible
Your account is in CNC status but the debt hasn't gone away. The CP71C is your annual reminder.
IRS CP75A Notice: EITC Review — Additional Time Needed
The IRS needs more time to review your EITC claim. Your refund remains held pending the review.
IRS CP134 Notice: Employer Tax Overpayment Applied
The IRS applied an employer tax overpayment to another period or account. Verify the application is correct.
IRS CP2566R Notice: Substitute for Return — Refund Held
The IRS filed an SFR and is holding your refund from another year. File your own return to release the refund.
IRS CP3219N Notice: Statutory Notice of Deficiency (AUR)
The CP3219N is another version of the 90-day letter from the automated underreporter program. Same deadline. Same urgency.
IRS Letter 12A: Return Incomplete — Information Needed
The LTR 12A means your return is incomplete or inconsistent. The IRS needs specific items before they can process it.
IRS Letter 105C: Formal Claim Disallowance
The IRS formally disallowed your refund claim. You have strict deadlines to appeal or file a refund suit.
IRS Letter 170C: Payment Acknowledged
The IRS confirms they received your payment. Verify the amount and keep this notice for your records.
IRS Letter 177C: Installment Agreement Terms or Changes
The IRS modified your installment agreement terms. Review the changes and make sure you can comply.
IRS Letter 306C: Math or Error Clarification
The IRS is explaining a correction or discrepancy they found on your return. Compare their changes to your records.
IRS Letter 365C: Collection Status Notice
The LTR 365C provides an update on your collection status. Determine whether action is required.
IRS Letter 3477: Installment Agreement Terms
The LTR 3477 details your installment agreement terms. Review, comply, and keep this letter.
IRS Letter 3064C: Examination Closed — No Change
Your audit is closed with no changes. Your return stands as filed. This is the best possible outcome.
IRS Letter 5447C: Power of Attorney Processed
The IRS processed your Form 2848. Your representative now has access to your account and can communicate with the IRS on your behalf.
IRS LT17 Notice: Refund Applied to Outstanding Balance
The IRS took your refund and applied it to your tax debt. The LT17 confirms the offset.
IRS LT73 Notice: Levy for Unpaid Employment Taxes
The IRS issued a levy for unpaid federal employment taxes. This is aggressive collection on trust fund debts.
IRS CP21B Notice: Account Adjusted — Refund Due
The IRS adjusted your account and you're getting money back. Verify the amount and watch for the refund.
IRS CP25A Notice: Refund Held — Reconciling Estimated Payments
The IRS is holding your refund while they reconcile your estimated tax payments. Provide proof if payments are missing.
IRS CP40 Notice: Address Change Verification
The IRS changed the address on file. If you didn't request this change, it could be identity theft.
IRS CP51B Notice: Balance Due — Second Notice
The second notice in the CP51 series. The IRS is getting more urgent about your unpaid balance.
IRS CP51C Notice: Balance Due — Third Notice
The CP51C is the final notice in the CP51 series before the IRS moves to levy action. Time is almost up.
IRS CP53A Notice: Refund Further Delayed
Your refund delay is extending beyond the initial timeframe. The IRS needs more time to process.
IRS CP75E Notice: EITC Disallowed
The IRS denied your Earned Income Tax Credit claim after examination. Know your appeal rights and the consequences.
IRS CP79A Notice: Multiple Credits Banned
The IRS banned you from claiming EITC and possibly other refundable credits. The ban period is serious.
IRS CP141 Notice: Refund Applied to Balance Due
Your tax refund was applied to a balance you owe. The CP141 confirms the offset and shows the remaining amount.
IRS CP2005 Notice: Underreporter Case Closed — No Change
The IRS reviewed the income discrepancy and determined no changes are needed. Your return stands as filed.
IRS CP2006 Notice: Underreporter Response Accepted
The IRS accepted your response to the CP2000. The proposed changes have been adjusted or withdrawn.
IRS Letter 86C: Claim Disallowed
The IRS disallowed your claim for refund or credit. Understand the denial and preserve your deadlines.
IRS Letter 106C: Claim Disallowed
Another formal claim disallowance letter. Same rights, same deadlines, same urgency as the LTR 86C and 105C.
IRS Letter 107C: Partial Claim Disallowance
The IRS allowed part of your claim and denied the rest. Review the split and decide whether to challenge the denied portion.
IRS Letter 112C: Response to Taxpayer Inquiry
The IRS is responding to something you asked. Read carefully — there may be embedded requests or explanations.
IRS Letter 321: Appeals Case Status Update
Your Appeals case is still open. The LTR 321 is a status update, not a decision. Watch for the next step.
IRS Letter 354C: Return or Account Adjustment Explained
The IRS is explaining an adjustment to your return or account. Review the explanation and verify against your records.
IRS Letter 544C: Collection Activity Notice
The LTR 544C relates to collection activity on your account. Review it to understand where your case stands.
IRS Letter 668(Y): Notice of Levy
The LTR 668(Y) is the levy notice served on a third party holding your assets. Your money is being seized.
IRS Letter 725B: Audit Appointment Variant
The LTR 725B is a variant of the audit appointment letter. Same process, same preparation, same rights.
IRS Letter 203C: Informational Response
The IRS is responding to a prior inquiry with information. Read carefully — it may contain embedded requests.
IRS Letter 239C: Response to Your Correspondence
The IRS is responding to something you wrote. Review it for any action items or explanations you need to address.
IRS Letter 725C: Audit Follow-Up Appointment
The IRS needs a follow-up meeting for your audit. Respond to avoid default adjustments.
IRS Letter 2439: Refund Offset Notice
The IRS offset your refund against a debt. The LTR 2439 confirms which debt received the credit.
IRS Letter 2518: Offer in Compromise Payment Reminder
The IRS is reminding you to make your OIC payments on time. Missing a payment can default the entire offer.
IRS Letter 2645C: Processing Delay Response
The IRS needs more time to respond to your inquiry. Wait through the stated period before following up.
IRS Letter 2800C: Penalty Abated or Account Adjusted
The IRS made a favorable adjustment to your account. Verify the correct amount was credited.
IRS Letter 2801C: Penalty Relief Granted
The IRS removed a penalty from your account. Confirm the right penalty was removed and the right amount credited.
IRS Letter 3027: Trust Fund Recovery Penalty Assessed
The TFRP has been formally assessed against you personally. The debt is now on your individual account.
IRS Letter 3219A: Statutory Notice of Deficiency Variant
The LTR 3219A is a variant of the 90-day letter. Same deadline. Same consequences. Same urgency as the LTR 3219.
IRS Letter 3286C: Account Action Confirmation
The IRS confirms an action was taken on your account. Verify the action was what you requested.
IRS Letter 3657C: Notice to Non-Requesting Spouse
Your spouse or ex-spouse filed for innocent spouse relief. The IRS is notifying you and giving you the right to respond.
IRS Letter 4141: Collection Appeals Program Decision
The IRS made a decision on your Collection Appeals Program request. Review the outcome and your options.
IRS Letter 4281: Return Received Confirmation
The IRS confirms they received your tax return. Keep this as proof of filing.
IRS Letter 4384C: Return Under Review or Hold
The IRS placed your return on hold for review. This is similar to the CP05 but may involve different issues.
IRS Letter 4883C: Identity Theft Case Assigned
The IRS assigned your identity theft case to a specialist. Here's what to expect during the investigation.
IRS Letter 5073C: Identity Theft Case Resolved
Your identity theft case has been resolved. Verify your account is clean and set up ongoing protection.
IRS Letter 5471: International Information Return Penalty
The IRS assessed penalties for Form 5471 or similar international information returns. The amounts are severe.
IRS Letter 6174-A: Digital Asset Follow-Up
The IRS suggests you may need to amend your return for unreported crypto transactions. Take this seriously.
IRS Letter 6176: Exempt Organization Compliance Issue
The IRS identified a compliance issue with your tax-exempt organization. Respond to avoid jeopardizing your exemption.
IRS LT18 Notice: Installment Agreement Pending
The IRS received your installment agreement request and it's being processed. Collection is generally paused while pending.
IRS LT19 Notice: Balance Update
The IRS is updating you on your current balance. Review it and compare to your records.
IRS LT21 Notice: Account Status Letter
The IRS is providing a status update on your tax account. Review for any action items.
IRS LT26 Notice: Overpayment Applied to Balance
The IRS applied an overpayment to your outstanding balance. The LT26 confirms the offset.
IRS LT27 Notice: Account Adjusted — No Balance Due
The IRS adjusted your account and you're at zero. No refund, no balance. The best neutral outcome.
IRS LT33 Notice: Refund Applied to Balance Due
Your refund was applied to an outstanding tax balance. The LT33 confirms the offset amount.
IRS LT38 Notice: Account Balance Statement
The IRS is providing a statement of your current account balance. Review and compare to your records.
IRS LT41 Notice: Third Party Contact — Unfiled Returns
The IRS plans to contact third parties about your unfiled returns. File now before they gather information without you.
IRS CP10A Notice: Estimated Tax Underpayment Penalty Waived
You underpaid estimated taxes but the IRS waived the penalty. No action needed.
IRS CP11A Notice: Balance Due From Processing Changes With Penalty
The IRS changed your return and assessed both additional tax and penalties. Review every change.
IRS CP14I Notice: Balance Due With Interest Detail
A variant of the CP14 that includes detailed interest calculations. Same balance, more detail on how interest accrued.
IRS CP21C Notice: Account Adjustment — Math Error or Correction
The IRS adjusted your account to correct an error. Review the adjustment and verify accuracy.
IRS CP22E Notice: Return Changes — No Balance or Refund Impact
The IRS changed your return but the result is neutral. No additional tax, no refund. Review the changes anyway.
IRS CP24E Notice: Estimated Payment Adjustment — No Change
The IRS adjusted your estimated payment credits but the net impact is zero. No refund change, no balance due.
IRS CP25 Notice: Estimated Tax Payments Partially Credited
Only some of your estimated payments were credited. The IRS found a discrepancy in the remaining amount.
IRS CP30A Notice: Estimated Tax Penalty Adjusted
The IRS recalculated your estimated tax penalty. The amount may have gone up or down.
IRS CP32A Notice: Refund Applied to Spouse's Debt
Your joint refund was taken to pay your spouse's individual debt. File Form 8379 to recover your share.
IRS CP54G Notice: Payment Needs Verification
The IRS needs to verify a payment before crediting it. Provide documentation to get the payment applied.
IRS CP134B Notice: Employer Account Adjustment
The IRS adjusted your employer tax account. Verify the adjustment against your payroll records.
IRS CP141C Notice: Additional Refund Applied to Balance
An additional portion of your refund was applied to an outstanding balance. The CP141C documents the second offset.
IRS CP216 Notice: Schedule K-1 Processing Issue
The IRS identified a problem with Schedule K-1 information on your return. Review and correct if needed.
IRS CP234 Notice: Premium Tax Credit Adjusted
The IRS adjusted the Premium Tax Credit on your return. This affects your refund or creates a balance due.
IRS CP2057 Notice: Return Information Doesn't Match IRS Records
The IRS found discrepancies between your return and their records. Review and correct if needed.
IRS Letter 2272C: Account Verification
The IRS needs to verify account information. Follow the instructions to complete verification.
IRS Letter 2273C: Identity Verification
Another identity verification letter. Complete verification to process your return and release your refund.
IRS Letter 2275C: Additional Authentication Required
The IRS needs more proof of your identity. Prior verification attempts may have been incomplete.
IRS Letter 2781C: Account Issue
The IRS identified an issue with your account that needs attention. Review the letter for specific details.
IRS Letter 2788C: Account Issue Resolved
The IRS resolved an issue with your account. Verify the resolution is correct.
IRS Letter 2797C: Refund Inquiry Response
The IRS is responding to your question about a refund. The letter explains the refund status.
IRS Letter 2802C: Employment Tax Adjustment
The IRS adjusted your employment tax account. Review against your payroll records and deposit history.
IRS Letter 3219B: Statutory Notice of Deficiency Variant
Another variant of the 90-day letter. Same deadline. Same consequences. Don't let the different suffix confuse you.
IRS Letter 3219C: Statutory Notice of Deficiency Variant
Yet another variant of the 90-day letter. Same rules, same deadline, same urgency as all 3219 variants.
IRS Letter 5072C: Identity Theft Case Update
The IRS is providing a progress update on your identity theft case. Review for any action items.
IRS Letter 1615: BBA Partnership Audit Notice
Your partnership is being audited under the centralized partnership audit regime. Engage the partnership representative immediately.
IRS Letter 1962: Request to File Tax Return
The IRS is formally requesting you file a tax return. This is beyond a reminder — it's a demand.
IRS Letter 12D: Follow-Up Request for Additional Information
The IRS already asked for information and needs more. Compare to your prior response and fill the gaps.
IRS Letter 12E: Identity or Account Verification
The LTR 12E directs you to verify your identity or account information through a specific method.
IRS Letter 227C: Account or Identity Verification Request
The IRS needs to verify your account or identity. Complete verification promptly to avoid processing delays.
IRS CP06A Notice: Premium Tax Credit Changes Affecting Refund
The IRS adjusted your Premium Tax Credit and it changed your refund or created a balance. Reconcile with Form 1095-A.
IRS CP53B Notice: Refund Delayed — Additional Review Needed
Your refund delay continues. The IRS needs more time for additional review. No action required unless they ask.
IRS CP53C Notice: Refund Delayed — System Issue
A system-level processing issue is delaying your refund. This is an IRS problem, not yours.
IRS CP80A Notice: Estimated Tax Credit — Return Not Filed
The IRS has estimated tax credits for you but no return. File your return to claim the money before the deadline.
IRS CP297A Notice: CDP Rights — Trust Fund Taxes
Final levy notice for trust fund employment taxes with CDP hearing rights. The IRS takes these debts most seriously.
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