All 234letters, sorted by what’s at stake

Request a Collection Due Process hearing before the IRS can levy.

Respond before the IRS takes up to 15% of your Social Security.

Your Social Security is being levied. Act now to release or reduce it.

Final levy notice for your business. File Form 12153.

CDP rights on trust fund taxes. The clock is running.

The IRS can seize your state refund now. Full levy notice comes next.

Intent to levy with passport certification risk. Do not wait.

Seriously delinquent certification sent to State Department. Resolve to restore passport rights.

Your installment agreement is defaulting. Cure it before levy rights resume.

Statutory notice of deficiency from AUR. The 90-day clock cannot be extended.

Statutory notice after no CP2000 response. Last chance before assessment.

Trust Fund Recovery Penalty notice. You are personally on the hook — get counsel.

Notice of levy. Contact a tax attorney immediately.

Final notice before levy. The CDP clock is running.

Proposed Trust Fund Recovery Penalty against you personally. Protest it.

A levy is in motion. Immediate action required.

Trust Fund Recovery Penalty has been assessed against you personally.

A federal tax lien has been filed. You have CDP rights on the lien.

Statutory notice of deficiency. Miss this and you lose Tax Court forever.

Statutory notice of deficiency. Jurisdictional deadline.

Statutory notice of deficiency. Jurisdictional deadline.

Statutory notice of deficiency. Jurisdictional deadline.

Final notice before levy. File Form 12153 to preserve your rights.

The IRS intends to levy your wages. Respond immediately.

Your installment agreement is terminated. Levy action can resume.

Levy for unpaid employment taxes. Business assets are at risk.

The IRS intends to seize property. Get representation now.

Your identity theft case needs more information from you.

The IRS needs documents to verify your return. Refund held until then.

The IRS has no record of your return. File before the SFR process starts.

Refund frozen for unfiled returns. File them to get paid.

EITC audit. Your refund is frozen until you prove eligibility.

EITC review needs more time. Watch for document requests.

You must recertify for EITC with Form 8862 documentation.

EITC disallowed. Appeal or accept the change.

EITC ban imposed. Recertification required when eligible.

Multiple credit ban. Get help before claiming again.

Dependent claimed twice. Prove your claim or amend.

Refund held for delinquent returns.

ACA employer shared responsibility payment proposed.

Business return not filed. Penalties accrue monthly.

Exempt org penalty. Reasonable cause abatement may apply.

Second reminder. CP504 intent to levy is the next letter.

Non-filer escalation. Next stop is a substitute return.

Proposed changes from income matching. Respond or it becomes a 90-day letter.

First B-notice. Send backup withholding notices to payees.

Second B-notice. Stricter payee verification required.

Underreporter inquiry. Respond before it escalates to CP2000.

The IRS filed a return for you with no deductions. File your own now.

SFR processed and your refund is held. File the real return.

Return incomplete. Refund processing is suspended.

Your refund is frozen until you supply the missing information.

Follow-up information request. Processing is suspended.

Claim disallowed. The two-year clock is running.

Formal claim disallowance. Your two-year suit clock just started.

Claim disallowed. Appeal or preserve your refund suit rights.

Partial disallowance. Protect rights on the denied part.

Initial audit contact. How you respond shapes the entire exam.

Supporting document request. Refund or processing held.

Identity verification required. Refund held until complete.

Identity verification required. Refund held until complete.

Audit results with appeal rights. File a protest within 30 days.

Audit follow-up requiring a response.

Information Document Request for your audit. Respond completely and on time.

OIC rejected. You have appeal rights — use them.

Audit appointment scheduled. Prepare before you appear.

Audit appointment. Prepare documentation in advance.

Audit appointment. Prepare documentation in advance.

Audit follow-up appointment.

Books and records request. Scope your production with counsel.

30-day letter. Request Appeals before the 90-day letter issues.

BBA partnership audit. Push-out and POA elections have deadlines.

Formal request to file. The SFR clock is running.

Field audit notification. Get representation before the first interview.

Innocent spouse preliminary determination. Respond if you disagree.

Frivolous return warning. $5,000 penalty if not corrected.

TFRP interview (Form 4180). Never attend without representation.

You are the non-requesting spouse. You have participation rights.

International information return penalty. These start at $10,000 per form.

OIC returned unprocessed. Fix the defect and resubmit.

Field exam document request. Coordinate your response carefully.

Questionable wages/withholding. Prove it or the refund changes.

Identity verification by phone required before processing continues.

Verify your identity or your refund stays frozen.

Form 5471 penalty. Reasonable cause is your path out.

Business non-filer inquiry (often ACA-related). Respond before penalties.

In-person identity verification required at a Taxpayer Assistance Center.

Digital asset letter requiring a signed response. Do not ignore.

Installment agreement about to default. Catch up before termination.

Someone used your SSN for employment. Check your records.

EITC eligibility questioned.

Return under review. No action unless they ask for documents.

Premium tax credit verification. Send Form 1095-A documentation.

PTC changes affecting refund. Documentation required.

Processing change created a balance. Check their math.

Processing change with penalty. Verify before paying.

First balance due notice. Cheapest moment to fix it.

ACA shared responsibility balance due.

Balance due with interest detail.

Tax credit adjusted. Confirm the change is correct.

Account adjusted, balance due. Confirm the adjustment is right.

Return changes created a balance due.

Exam changes recorded. Verify they match your records.

Estimated payment mismatch. Reconcile against your records.

Estimated payments partially credited. Check the difference.

Refund held while estimated payments reconcile.

EITC reduced or removed. Dispute if you qualify.

Estimated tax penalty. Annualizing income may reduce it.

Refund check returned. Fix your address to get paid.

Refund frozen — Form 8379 may recover your share.

Refund applied to spouse’s debt. Form 8379 may help.

Address change verification. If you didn’t request it, act fast.

Refund reduced for other obligations.

Refund held pending review of your account.

Refund applied to another tax year. Confirm the balance was real.

Balance due on Form 1040.

Second balance due notice.

Third balance due notice. Enforcement notices are next.

Self-employment tax corrected. Verify against your Schedule SE.

Payment misapplied. Document where it should go.

Payment needs verification before crediting.

Your payment bounced and a penalty was added.

The IRS removed a payment credit. Prove the payment.

Annual balance reminder. The debt and the CSED are both aging.

Annual reminder with payment options.

Annual reminder while in CNC. Check your CSED dates.

Credit on account but no return filed. File before the refund statute runs.

Estimated credits waiting on an unfiled return.

Address change verification. Confirm you made the change — if not, possible identity theft.

Employer overpayment applied. Verify the application.

Employer account adjustment. Reconcile with your 941s.

Business penalty balance due. Abatement may be available.

Late filing penalty on a business return. FTA may apply.

Annual business balance reminder.

Business return penalty. Check abatement options.

Business account adjusted with balance due.

Civil penalty assessed on business account.

Schedule K-1 processing issue on a business return.

Penalty or interest changed on your business account.

Refund went to an old address.

Premium tax credit adjusted.

First reminder. The escalation ladder has started.

Second reminder. CP503 and CP504 follow.

Installment payment reminder. Missing it risks default.

Income mismatch flagged. Amend now or face a CP2000 later.

Identity or account verification routing.

Appeals has your case. Prepare your presentation.

Installment agreement terms or changes. Confirm they match what you agreed.

Account or identity verification request.

Math or error clarification.

Appeals case status update.

Adjustment explanation. Verify against your records.

Collection status notice.

Appeals conference being scheduled. Be ready.

Refund held pending verification.

Collection activity on your account.

Additional verification request.

Inadequate Records Notice. Describe your corrective recordkeeping system in writing before the next audit cycle.

Account verification request.

Identity verification request.

Additional authentication required.

Refund offset notice. Confirm the underlying debt.

OIC payment reminder. Default voids the entire offer.

Account issue flagged.

Employment tax adjustment — often a lock-in letter warning.

Appeals decision. Understand your remaining options.

Installment agreement terms confirmation.

Collection Appeals Program decision. Limited further review.

Return under review or hold.

Return selected for review. Refund held in the meantime.

Digital asset education letter. No response required, but amend if needed.

Digital asset follow-up. Amend if your reporting was wrong.

Exempt organization compliance issue.

Collections cannot reach you. Silence escalates to enforcement.

Balance update from collections.

Balance due with payment options. Choose before enforcement.

Account balance statement — collections is re-engaging.

IRS will contact third parties about your liability.

Third-party contacts coming on unfiled returns.

Identity theft claim verified. Account flagged for protection.

IP PIN assigned. You need it to file.

Identity theft case update.

Account locked — SSN matches a deceased person record.

You may qualify for the Additional Child Tax Credit.

You may qualify for EITC. Claim it.

Overpayment applied to estimated tax.

Underpayment penalty waived.

Math error corrected in your favor or refund changed. Verify it.

Changes made — no refund, no balance. Confirm you agree.

Errors corrected, refund changed. Check the math.

Adjustment in your favor — refund due.

Adjustment recorded, no balance change.

Estimated payment discrepancy affected your refund. Verify.

Estimated payment adjustment with no net change.

Estimated tax penalty adjusted in your favor.

Overpayment applied to other periods.

Overpayment applied to next year as you requested.

Refund delayed — direct deposit failed, paper check coming.

Refund delayed for additional review.

Refund delayed — review in progress.

Refund delayed by a processing issue.

Penalty removed from your account.

Refund applied to balance due.

Additional refund applied to balance.

Identity theft case received and assigned.

Identity theft case resolved.

Underreporter case closed — no change.

Your CP2000 response was accepted.

Response to your inquiry.

Installment agreement accepted. Keep every payment on time.

Payment acknowledged.

Informational response from the IRS.

Response to your correspondence.

Processing delay notice. Calendar a follow-up.

Stall letter — the IRS is buying 60 more days.

Account issue resolved.

Refund inquiry response.

Penalty abated or account adjusted in your favor.

Penalty relief granted.

OIC accepted. Stay compliant for five years or it unwinds.

Examination closed with no change.

Account action confirmation.

No-change audit. Keep this letter forever.

Return received confirmation.

Identity theft case update.

Identity theft case closed.

Power of attorney on file.

Refund applied to outstanding balance.

Installment agreement under review.

Account status update.

Overpayment applied to balance.

Account adjusted — nothing owed.

Refund applied to balance due.

Currently Not Collectible status confirmed. Collection paused, CSED still running.