IRS Notices
IRS Help Center · 92 guides
IRS Notices & Letters: Every Guide, In One Place
Every IRS notice has a code, a meaning, and a deadline. These guides decode each one in plain English — what it means, how much time you really have, and exactly what to do next.
Can't find your situation? Decode your IRS notice, browse the full IRS Help Center, or get a free confidential review from an experienced tax professional at (888) 825-7779.
IRS Notices
CP05A Notice: Send Documents to the IRS — What to Do
IRS Notices
CP14 Notice 2027: What's Hitting Mailboxes and What to Do
IRS Notices
CP14 Notice But I Already Paid? Here's What to Do
IRS Notices
CP14 Pay Online: How to Pay Your IRS CP14 Notice, Step by Step
IRS Notices
CP14 Wrong Amount? How to Dispute an Incorrect IRS CP14 Notice
IRS Notices
CP2000 Response Letter Sample (2026): A Free Template You Can Copy
IRS Notices
CP2000: You Agree But Can't Pay — What to Do in 2026
IRS Notices
CP3219A Notice of Deficiency: What It Means, Your 90-Day Deadline, and What to Do
IRS Notices
CP3219N Notice: The 90-Day Deficiency for Non-Filers
IRS Notices
CP49 Notice: Your Refund Applied to Back Taxes — What to Do
IRS Notices
CP504 — How Long Before the IRS Levies? The 2026 Timeline
IRS Notices
CP508C Notice: What It Means for Your Passport, and What to Do
IRS Notices
CP521 Notice: Your IRS Payment Plan Reminder, Explained
IRS Notices
CP523 Notice: Defaulted Installment Agreement and What to Do
IRS Notices
Certified Letter From the IRS: What It Means and What to Do
IRS Letter Templates
Collection Due Process (CDP) Hearing Request Letter: Free Sample & Template
California Tax Notices
FTB Notice Decoder: What Your California Franchise Tax Board Notice Means
IRS Notices
Form 12153 CDP Hearing: How to Request One and Stop a Levy
IRS Notices & Forms
Got a 1099 I Wasn't Expecting? What It Means and What to Do
IRS Notices
Got a CP14 and Can't Pay? Your IRS Options in 2026
IRS Notices
How to Disagree With a CP2000 Notice: A Step-by-Step Guide
IRS Notices
How to Tell if an IRS Letter Is Real: Genuine Notices vs. Scams
IRS Notices
IRS 4883C Letter: What It Means and How to Verify Your Identity
IRS Notices
IRS 5071C Letter: What It Means and How to Verify Your Identity
IRS Notices
IRS 5747C Letter: In-Person Identity Verification, Explained
IRS Letter Templates
IRS Audit Reconsideration Request Letter: Free Sample & Template
IRS Notices
IRS CP05 Notice: Refund Under Review and What to Do
IRS Notices
IRS CP11 Notice: What It Means, Your Deadline, and What to Do
IRS Notices
IRS CP12 Notice: What It Means, Your Deadline, and What to Do
IRS Notices
IRS CP14 Notice: What It Means, Your Deadline, and What to Do
IRS Notices
IRS CP2000 Notice: What It Means, Your Deadline, and How to Respond
IRS Notices
IRS CP215 Notice: Business Civil Penalty Explained
IRS Notices
IRS CP21A Notice: We Changed Your Return and You Owe
IRS Notices
IRS CP21B Notice: What It Means, Your Refund, and What to Do
IRS Notices
IRS CP21C Notice: We Changed Your Return, No Balance Due
IRS Notices
IRS CP21E Notice: Audit Changes, Balance Due, and What to Do
IRS Notices
IRS CP22A Notice: What It Means, Your Deadline, and What to Do
IRS Notices
IRS CP22E Notice: Audit Changes From Exam and What to Do
IRS Notices
IRS CP23 Notice: Estimated Tax Payments Don't Match, Balance Due
IRS Notices
IRS CP24 Notice: Estimated-Tax Discrepancy and Your Refund
IRS Notices
IRS CP25 Notice: Estimated-Tax Discrepancy and a $0 Balance, Explained
IRS Notices
IRS CP2501 Notice: What It Means, Your Deadline, and How to Respond
IRS Notices
IRS CP2566 Notice: What It Means, Your Deadline, and What to Do
IRS Notices
IRS CP27 Notice: EITC With No Qualifying Child, Explained
IRS Notices
IRS CP297 Notice: What It Means, Your Deadline, and What to Do
IRS Notices
IRS CP32A Notice: Expired Refund Check and What to Do
IRS Notices
IRS CP501 Notice: What It Means, Your Deadline, and What to Do
IRS Notices
IRS CP503 Notice: What It Means, Your Deadline, and What to Do
IRS Notices
IRS CP504 Notice: What It Means, Your Deadline, and What to Do
IRS Notices
IRS CP516 Notice: What It Means, Your Deadline, and What to Do
IRS Notices
IRS CP518 Notice: The Final Unfiled Return Notice, Explained
IRS Notices & Refunds
IRS CP53 Notice: The IRS Couldn't Direct-Deposit Your Refund
IRS Notices
IRS CP54 Notice: Name/SSN Mismatch Holding Your Refund
IRS Notices
IRS CP59 Notice: No Return Filed, Your Deadline, and What to Do
IRS Notices
IRS CP60 Notice: Payment Removed, Your Deadline, and What to Do
IRS Notices
IRS CP62 Notice: We Applied a Payment to Your Account
IRS Notices
IRS CP63 Notice: Refund Held for Unfiled Years and What to Do
IRS Notices
IRS CP71 Notice: What the Annual Reminder Means and What to Do
IRS Notices
IRS CP71C Notice: What It Means and What to Do
IRS Notices
IRS CP75 Notice: EIC Audit, Your Deadline, and What to Do
IRS Notices
IRS CP79 Notice: EITC Disallowed and Why You Must File Form 8862
IRS Notices
IRS CP80 Notice: Credit on File, No Return — What It Means and What to Do
IRS Notices
IRS CP81 Notice: Refund Statute Expiring — File to Claim It
IRS Notices
IRS CP87A Notice: Duplicate Dependent Claim Explained
IRS Notices
IRS CP88 Notice: Why Your Refund Is on Hold and What to Do
IRS Notices
IRS CP90 Notice: What It Means, Your Deadline, and How to Stop a Levy
IRS Notices
IRS CP91 Social Security Levy: Your 30-Day Deadline and How to Stop It
Letter Templates
IRS Hardship Letter for Currently Not Collectible (CNC) Status: Free Sample & Template
IRS Notices
IRS IP PIN CP01A: What It Means and How to Use It
IRS Letter Templates
IRS Installment Agreement Request Letter: Free Sample & Template
IRS Notices
IRS LT11 Notice: What It Means, Your Deadline, and What to Do
IRS Notices
IRS LT16 Notice: What It Means, Your Deadline, and What to Do
IRS Notices
IRS LT38 Notice: What It Means, Your Deadline, and What to Do
ERC Notices & Letters
IRS Letter 106-C: Partial ERC Disallowance — What It Means and What to Do
IRS Notices
IRS Letter 1153: The Trust Fund Recovery Penalty and Your 60-Day Deadline
IRS Notices · Crypto
IRS Letter 6173 (Crypto): What It Means, Your Deadline, and What to Do
IRS Notices
IRS Letter 6174 & 6174-A: What It Means and What to Do
IRS Notices
IRS Letter 692: How to Appeal Audit Results
IRS Notices
IRS Letter June 2027: What the New Notice Wave Means and What to Do
IRS Notices · Employee Retention Credit
IRS Notice CP320B: Your Employee Retention Credit Claim Is Under Review
IRS Letter Templates
IRS Penalty Abatement Letter: Free Sample & Template (First-Time Abate + Reasonable Cause) 2026
IRS Notices
Letter 1058 IRS: Final Notice of Intent to Levy and What to Do
IRS Notices
Letter 12C IRS: Return Information Request and What to Do
IRS Letters & Payroll Tax
Letter 3164: The IRS TFRP Investigation Contact Letter, Explained
IRS Notices
Letter 3172 — Notice of Federal Tax Lien: What It Means, Your Deadline, and What to Do
IRS Notices
Letter 525 IRS: The Audit Report and 30-Day Letter, Explained
IRS Notices
Letter 531 Notice of Deficiency: What It Means, Your Deadline, and What to Do
IRS Notices
Letter 725-B: IRS Revenue Officer Visit — What It Means and What to Do
IRS Notices
The 90 Day Letter & Tax Court Petition: Basics
IRS Notices
The Order of IRS Collection Letters, Explained
IRS Notices
Why Did I Get a Letter From the IRS? What It Means and What to Do
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