How to Respond to an IRS Notice: Step-by-Step Instructions
Learn how to respond to an IRS notice step-by-step, verify accuracy, gather documentation, and protect your rights while addressing tax issues.
Read the Notice Number First
Every IRS letter or notice has an identifier in the top-right corner — CP14, CP504, LT11, Letter 1058, CP90, or a four-digit number like Letter 3219. That code tells you exactly what the IRS is asking for and how much time you have. CP14 is a first balance-due notice with no immediate consequence beyond interest and penalties accruing. CP504 is a final notice before levy. LT11 / Letter 1058 starts the 30-day clock for Collection Due Process rights. CP3219A is the 90-day Statutory Notice of Deficiency.
Match the notice number against IRS Publication 594 or the IRS's online "Understand Your Letter" tool at irs.gov to see the standard meaning before you call anyone.
How to Respond Without Making Things Worse
Respond in writing within the window stated on the notice, even if your response is to ask for an extension. The IRS treats silence as agreement with their position. Use certified mail with return receipt — the IRS regularly loses correspondence, and your CMRR is the only proof of timely filing.
If you agree with the balance but can't pay, don't ignore the notice. Apply for an Installment Agreement at irs.gov/payments (Form 9465 for amounts the online tool can't handle) or request Currently Not Collectible status by submitting Form 433-F with documentation of monthly income and allowable expenses.
If you disagree, request your transcripts (Wage & Income and Account) before drafting a response. The IRS notice may be triggered by a 1099 or W-2 reported under your SSN but not on your return — in that case the fix is filing or amending the return, not arguing with the notice. Each notice type has its own appeal path; CP504 and LT11 give you Collection Due Process rights via Form 12153 if filed within 30 days.
Frequently Asked Questions
##### What should I do if I don't understand the IRS notice?
##### What if I can't pay the amount stated in the notice?
##### What happens if I ignore the IRS notice?
##### Can I dispute the IRS notice if I disagree with their assessment?
##### How long does it typically take to resolve issues raised in an IRS notice?
If the IRS notice includes a response deadline, ensure that you meet it. Failing to respond by the deadline could result in further complications, such as additional penalties and interest.
Request a free consultation with our experts today and take the first step towards achieving your goals.
This content was written and reviewed by the licensed tax attorneys at Victory Tax Lawyers, LLP. Our attorneys specialize in IRS tax relief and are licensed members of the California State Bar with a nationwide practice.
Last Reviewed: 2026 · Meet Our Attorneys →
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