Audit Assistant IRS Notice Listing

Below is a list of common IRS Notices. The notice number will appear on page 1 in the upper right-hand corner. Click on the notice number below that matches the one on your notice and you will be provided information on what to do when you receive this type of notice along with a sample copy of the notice.

IRS Notices

CP 09 - Earned Income Credit You May Be Entitled To
CP 10 - Changes to Tax Return, Reduced Amount Applied Toward Payment of Your Estimated Tax
CP 11 - Changes to Tax Return, Balance Due
CP 11A - Changes to Tax Return and EIC, Balance Due
CP 12 - Changes to Tax Return, Overpayment
CP 13/CP 13A - Changes to Tax Return, No Refund and No Balance Due
CP 14 - Balance Due, No Math Error
CP 16 - Changes to Tax Return, Overpayment Applied to Balance Due
CP 21B - Data Processing Adjustment Notice, Overpayment of $1 or More
CP 22A - Data Processing Adjustment Notice, Balance Due of $5 or More
CP 22E - Examination Adjustment Notice, Balance Due
CP 23 - Estimated Tax Payment Discrepancy, Balance Due
CP 32A - We Want to Send You a New Refund Check
CP 45 - Reduced Amount Applied Toward Payment of Your Estimated Tax
CP 49 - Overpaid Taxes Applied to Other Taxes You Owe
CP 54B/CP 54E/CP 54G/CP 54Q - Problem with Name and Identifying Number
CP 59 - First Notice Request for Your Tax Return
CP 75/CP 75A/CP 75B - EIC Portion of the Refund Delayed
CP 79 - Earned Income Credit Eligibility Requirement
CP 79A - Earned Income Credit Two Year BanM
CP 90/CP 297 - Final Notice - Notice of Intent to Levy and Notice of Your Right to a Hearing
CP 91/CP 298 - Final Notice Before Levy on Social Security Benefits
CP 161 - Balance Due - Request for Payment or Notice of Unpaid Balance
CP 501 - Balance Due Reminder Notice
CP 504 - Urgent Notice - Balance Due
CP 523 - Notice of Intent to Levy - You Defaulted on Your Installment Agreement
CP 2000 - Notice of Underreported Income
Letter 531- Notice of Deficiency
Letter 525 - Examination Report
Letter 12C - Information Request