IRS Notice CP51B: IRS figured your tax, refund due
IRS Notice CP51B is a refund letter from the IRS. The IRS worked out the tax on your return and says you are due a refund. It is about the status or amount of a refund. The letter itself is the final word on what it says.
What this letter usually means
The IRS worked out the tax on your return and says you are due a refund. The letter explains what happened to the money and why. Compare it with the refund amount on your return.
Category: About your refund
What people usually do first
If you agree, do nothing. If not, contact the IRS.
What to have ready
- The letter, every page
- Your tax return
- Canceled checks or an amended return
What may come next
This letter does not point to a specific follow-up letter. Any later step will be described in mail from the IRS.
Read the IRS page
The IRS letter itself is the final word on what it means for you. Read the IRS page for CP51B.
Common questions about CP51B
What is IRS notice CP51B?
The IRS worked out the tax on your return and says you are due a refund.
How long do I have to respond to a CP51B notice?
The date to respond or pay by, if there is one, is printed on your letter. Check it, and read the IRS page for CP51B for more.
Is a CP51B notice a scam?
A real CP51B comes by mail and should match your own records. You can also sign in to your IRS Online Account on irs.gov to see your account directly.
What should I have ready for a CP51B notice?
The letter, every page, Your tax return, Canceled checks or an amended return.
Scan your letter in the OweRight iPhone app
The OweRight app can tell you what a CP51B letter is and points you to the IRS page for it.
OweRight is not the IRS and does not give tax or legal advice.
Related notices
- IRS Notice CP08: You may get money back from the Additional Child Tax Credit
- IRS Notice CP21B: Changes you asked for: refund coming
- IRS Notice CP32A: Your refund check expired
- IRS Notice CP42: Refund reduced for a spouse's tax debt
- IRS Notice CP27: You may get the Earned Income Credit
- IRS Notice CP05B: Refund held while IRS checks reported income