Tax Situation

Got an IRS Notice? Here Is What It Means and What to Do

Most IRS notices are not emergencies. But they all require a timely, correct response. Ignoring one typically makes the situation worse. Here is how to read what you received and figure out the right next step.

Common IRS Notices and What They Mean

The notice number is in the upper-right corner of the letter. Find yours below.

CP2000
Proposed Tax Change

The IRS found income on file (from employers, banks, or clients) that does not match your return. This is a proposal, not a final bill. You have the right to agree, partially agree, or dispute it with documentation.

Respond by deadline on notice
CP14
Balance Due Notice

The IRS has assessed a balance and is requesting payment. It includes tax owed, penalties, and interest. If you agree, pay or arrange a payment plan. If you disagree, respond in writing with documentation.

Response or payment needed
CP59
Unfiled Return Notice

The IRS expected a return for a specific year but did not receive one. File the missing return or explain why one is not required. Ignoring this can lead to a Substitute for Return (SFR) under IRC Section 6020(b).

File return or respond
CP503
Second Balance Reminder

A second reminder for an unpaid balance already assessed. At this stage the IRS is escalating collection activity. Arrange payment or contact the IRS to discuss your options before the next notice arrives.

Escalation warning
CP504
Intent to Levy State Refund

The IRS intends to seize your state tax refund to apply to the balance. This is not yet a final notice of intent to levy wages or bank accounts, but it signals serious escalation. Act quickly.

Urgent action required
LT11 / CP90
Final Notice Before Levy

This is the IRS final notice of intent to levy wages, bank accounts, or other property. You have 30 days to request a Collection Due Process (CDP) hearing before the IRS can proceed with enforced collection.

30-day deadline to request hearing

The Rules for Responding to an IRS Notice

Follow these steps when a notice arrives

  • Read the entire notice, not just the amount on the front page
  • Find the notice number (upper right corner) and the response deadline
  • Do not ignore it. Proposed amounts become formal assessments automatically if you miss the deadline
  • Do not call the IRS first. Read the notice, understand what it is asking, and gather documentation before you call
  • Respond in writing when disputing a proposed change. Phone calls do not create a paper trail
  • Keep a copy of everything you send, including proof of mailing (certified mail recommended)
  • Do not assume the IRS is correct. CP2000 notices especially contain errors where income is double-counted

What to Do When You Receive an IRS Notice

1
Identify the notice type and the deadline

The notice number is in the upper-right corner. The response deadline is usually on the first page. Write it down. Every IRS notice has a specific meaning and a specific required action.

2
Pull the original tax return for the year in question

Most notices relate to a specific tax year. Get the return you filed for that year and compare it to what the IRS is claiming. This shows whether there is a genuine discrepancy or a data matching error.

3
Gather supporting documentation

If the IRS is proposing additional tax based on unreported income, locate the original forms (W-2s, 1099s, etc.) to verify whether the income was already reported. If it was, the response is straightforward.

4
Respond by the deadline, in writing

If you agree, respond with payment or a payment arrangement. If you disagree, send a written response explaining the error with documentation attached. Keep proof of mailing.

5
Consider professional representation for complex notices

For notices involving large proposed changes, missing years, collection threats, or situations where you do not understand the IRS position, having a tax professional respond on your behalf reduces the risk of an incorrect or incomplete response making things worse.

IRS Notice Response and Problem Resolution

LMN Tax reads the notice, identifies what the IRS is actually claiming, gathers the right documentation, and responds correctly. If penalties apply, abatement options including First Time Abatement are pursued where they fit. If a balance is owed and cannot be paid, payment and resolution options are evaluated.

See IRS Problem Resolution Talk to LMN Tax

IRS Notice Questions

What should I do when I receive an IRS notice?
Read the notice fully to identify the notice number, the tax year, the proposed or assessed amount, and the response deadline. Do not ignore it. Most notices require a written response within 30 to 60 days. Ignoring a notice typically causes the proposed amount to become assessed automatically.

Source: IRS Tax Topic 653

What is a CP2000 notice?
A CP2000 proposes additional tax based on income the IRS received from third parties that was not reported on your return or was reported differently. It is not final. You can agree, partially agree, or dispute it with documentation by the deadline on the notice.

Source: IRS CP2000 Understanding Guide

What is a CP14 notice?
A CP14 is a balance due notice. It means the IRS has assessed a tax liability and is informing you of the total amount owed including penalties and interest. If you agree, pay or arrange a payment plan. If you disagree, respond in writing with documentation.

Source: IRS CP14 Understanding Guide

What is a CP59 notice?
A CP59 is sent when the IRS expects a tax return but has not received one. It asks you to file the missing return or explain why one is not required. If you do not respond, the IRS may prepare a Substitute for Return (SFR) under IRC Section 6020(b), which omits your deductions and credits.

Source: IRC Section 6020(b); IRS CP59 Understanding Guide

What happens if I ignore an IRS notice?
Ignoring an IRS notice typically causes the proposed amount to become a formal assessment. Once assessed, the IRS can file a federal tax lien under IRC Section 6321 or issue a levy under IRC Section 6331 to collect from wages, bank accounts, or other assets. Each notice has a deadline and missing it removes your options.

Source: IRC Sections 6321, 6331; IRS Tax Topic 653

Can I respond to an IRS notice on my own?
For simple notices where the IRS is correct, responding on your own is straightforward. For notices that propose additional tax, involve a discrepancy, or relate to complex income situations, a tax professional can help ensure your response is accurate and supported by the right documentation.

Source: IRS Tax Topic 104 (Taxpayer Advocate)

What is a Collection Due Process (CDP) hearing?
A CDP hearing is a formal appeal right that allows you to challenge proposed IRS collection action before it proceeds. If you receive a Final Notice of Intent to Levy (LT11 or CP90), you have 30 days to request a CDP hearing. During that time, enforced collection is generally paused while the appeal is pending.

Source: IRC Section 6330; IRS Collection Due Process

Got an IRS Notice? Find Out What It Actually Means.

Bring the notice. Nausheen will read it, explain what the IRS is claiming, and tell you exactly what the response needs to say. No guessing.

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