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CP24G notice: what it means and what to do
Got an IRS CP24G notice? Here is what it means, your deadline, what to check before you answer, and how to reply. Check your own letter free: it stays on your phone.
Check my CP24G notice freeThis page covers: CP24G notice, CP24U notice.
What the IRS says this notice is about
We corrected your return because we found a difference between the estimated tax payment amount on your tax return and the amount we posted to your account. As a result, you're now due a refund.
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What you need to do
- Review the notice and compare our changes to the information on your tax return.
- If you agree with the changes we made , no response is required. You should receive a refund check in 4-6 weeks, if you don't owe other tax or debts we're required to collect.
- You may want to correct the copy of your tax return you keep for your records, but don't send it to us.
- If you don't agree with the changes we made , contact us within 60 days from the date of your notice.
Your deadline
The IRS page for this notice mentions 60 days. Always use the date printed on your own notice.
What to check before you answer
You have 60 days to disagree
If you disagree with the change and ask in writing within 60 days of the notice date, the law requires the IRS to reverse it. If the IRS still disagrees, it must then use the regular process, which keeps your appeal rights.
Is this letter really from the IRS?
The IRS writes first by mail. A real letter shows a notice or letter number, your name and part of your tax ID number. The IRS does not ask for payment by gift card, crypto or wire transfer. If in doubt, sign in to your IRS online account, where many notices are listed.
You may want to
Verify your estimated tax payments in your online tax account before filing your next tax return.
Common questions
Is an overpayment credit different from a refund?
- When your tax payments exceed what you owe, it's called an overpayment credit.
- You'll automatically be refunded this credit.
- You can ask us to apply the credit as an advance payment toward next year's taxes instead of sending you a refund.
When can I expect to receive my refund?
You'll receive it in 4-6 weeks if you don't owe other taxes or debts we're required to collect.
What can I do if I don't receive my refund in four to six weeks?
Call us at the number on your notice.
How can I find out what caused my tax return to change?
Read your notice carefully. For additional clarification, call us at the number shown on your notice.
What should I do if I find you misapplied a payment or haven't credited a payment that I made?
Call us with your information at the number on your notice. Have a copy of your tax return and documentation (such as canceled checks or amended return) ready when you call. We'll discuss the issue and give you further instructions.
What should I do if I disagree with the changes you made?
Contact us at the toll-free number or respond by mail to the address on your notice. If you write to us, include a copy of the notice along with your correspondence or documentation.
You must contact us within 60 days from the date of your notice to request a reversal. Provide an explanation or additional documents you want us to consider when requesting a reversal. If we don't receive your supporting documents, we may forward your case for audit. Audit staff will contact you within 6-12 weeks to explain the process and your rights.
If you don't contact us within the 60-day period, changes we made to reduce your refund won't be reversed and you'll lose your right to appeal our decision in the U.S. Tax Court . Instead, you may file a claim for refund to dispute the changes. Generally, you must submit the claim within 3 years from the date you filed the tax return, or within 2 years from the date of your last payment for this tax, , whichever is later.
How do I adjust my estimated tax payments?
Complete a Form 1040-ES, Estimated Tax for Individuals PDF . See Publication 505, Tax Withholding and Estimated Tax PDF for more information.
What should I do if I need to make another correction to my tax return?
You'll need to file Form 1040-X, Amended U.S. Individual Income Tax Return .
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