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Worried about a tax letter you just received? Don’t panic. Browse our IRS notices library to learn more about why it was sent and the next steps you should take to resolve the issue.
The IRS sends out millions of notices and letters annually. Our library contains the most common notices sent to taxpayers. If you are unable to locate your specific letter below, please visit IRS.gov or contact our office for additional assistance.
The IRS verified your claim of identity theft and placed an indicator on your account. […]
The IRS sends out CP01A notice to taxpayers who have been assigned an identity protection […]
IRS Notice CP01H is sent to taxpayers who have used a Social Security number (SSN) […]
The IRS sends notice CP05A when it needs additional information from a taxpayer before releasing […]
Not all IRS notices are bad. If you receive IRS Notice CP09, you could be […]
The IRS sends notice CP11 to inform taxpayers about adjustments to their tax returns which […]
When the IRS corrects one or more mistakes on a tax return, resulting in a […]
The IRS sends out notice CP13 when it makes changes to your tax return. Unlike […]
IRS Notice CP14 is sent to taxpayers when they have unpaid taxes. Next Steps Do not […]
IRS Notice CP16 notifies taxpayers of changes made to their tax return due to a […]
The IRS sends notice CP21A when it makes changes to Form 1040 based on information […]
Notice CP21B is sent when the IRS makes changes to Form 1040 based on information […]
The IRS sends notice CP21C when it makes corrections to Form 1040. Those changes, however, […]
IRS Notice CP21C is sent to taxpayers when requested changes are made to their Form […]
The IRS will send notice CP23 if the amount of estimated tax payments indicated on […]
The IRS will send notice CP25 if there is a difference between the amount of […]
IRS Notice CP27 is sent to taxpayers who may be eligible for the Earned Income […]
The IRS sends notice CP40 to inform taxpayers that their unpaid account has been assigned […]
IRS Notice CP42 is sent to a taxpayer when part or all of their expected […]
A taxpayer receives IRS Notice CP49 when part or all of their expected refund is […]
IRS Notice CP53 informs the taxpayer that their refund check is being sent by mail. Next […]
IRS Notice CP53A is sent to taxpayers when the IRS attempts to direct deposit a […]
IRS Notice CP53C is sent to a taxpayer if the IRS attempts to direct deposit […]
IRS Notice CP57 is sent to a taxpayer when the IRS attempts to automatically withdraw […]
IRS Notice CP59 is sent to taxpayers when the IRS has no record of their […]
IRS Notice CP60 is sent to a taxpayer when the IRS removes a payment it […]
IRS Notice CP63 notifies taxpayers that their tax refund is being held due to an […]
IRS Notice CP71 is an annual reminder that the IRS is required to send when […]
IRS Notice CP71A is sent annually to taxpayers who are in a Currently Not Collectible […]
IRS Notice CP71C is an annual reminder sent to taxpayers who still have an outstanding […]
IRS Notice CP75 is sent to a taxpayer when the IRS initiates an audit to […]
IRS Notice CP79 is sent to taxpayers when the IRS disallows their claim for the […]
IRS Notice CP80 is sent when payments and/or tax credits are credited to a taxpayer’s […]
IRS Notice CP81 notifies taxpayers that the IRS hasn’t received their tax returns for a […]
The IRS sends notice CP87A when a taxpayer claims a dependent that is subsequently listed […]
IRS Notice CP90, also known as a Final Notice of Intent to Levy, is a […]
IRS Notice CP91 notifies taxpayers that their Social Security benefits may be levied due to […]
IRS Notice CP259 is sent to taxpayers who are required to file a business return […]
When a taxpayer registers for an online service with the IRS, they are sent a […]
IRS Notice CP501 is sent to taxpayers who have a balance due on one of […]
IRS Notice CP503 is sent to taxpayers who continue to ignore repeated requests for payment […]
IRS Notice CP504 is a Notice of Intent to Levy. It is sent to taxpayers […]
IRS Notice CP516 is sent to taxpayers as a reminder that they have not yet […]
IRS Notice CP518 is a final reminder that a taxpayer has not filed their required […]
IRS Notice CP521 is sent to taxpayers to remind them to make their scheduled payment […]
IRS Notice CP523 notifies taxpayers that their installment agreement is scheduled to be terminated. Additionally, […]
IRS Notice CP565 is sent when a person’s Taxpayer Identification Number (ITIN) is renewed. Next […]
IRS Notice CP566 informs a taxpayer that their Individual Taxpayer Identification Number (ITIN) application can’t […]
IRS Notice CP2000 is sent when the income or payment information the IRS has on […]
IRS Notice CP2501 is sent to taxpayers when the income reported on their tax returns […]
IRS Notice CP3219A is sent to a taxpayer when the information reported on their tax […]
IRS Letter 2802C is sent when a taxpayer’s withholding doesn’t meet the IRS guidelines, causing […]
IRS Letter 4883C is sent to a taxpayer when the IRS suspects there is a […]
IRS Letter 5071C is sent to a taxpayer when the IRS needs to verify their […]
IRS LT11 is a written notification, required by law, informing a taxpayer that the IRS […]
IRS LT16 is a simple notice informing a taxpayer that the IRS is trying to […]
IRS LT26 is sent to a taxpayer when they have failed to respond to previous […]
IRS LT33 is sent to taxpayers who have made a payment on their account but […]
IRS LT39 is sent to taxpayers to remind them that they still have an outstanding […]
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