IRS Notice CP51C: IRS figured your tax, balance zero
IRS Notice CP51C is a return adjustment letter from the IRS. The IRS worked out the tax on your return, and you owe nothing and are due nothing. The IRS sends letters like this after it changes figures on a return.
What this letter usually means
The IRS worked out the tax on your return, and you owe nothing and are due nothing. A change can raise or lower what you owe or your refund. The letter shows both the old and new figures.
Category: The IRS changed your return
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 CP51C.
Common questions about CP51C
What is IRS notice CP51C?
The IRS worked out the tax on your return, and you owe nothing and are due nothing.
How long do I have to respond to a CP51C 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 CP51C for more.
Is a CP51C notice a scam?
A real CP51C 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 CP51C 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 CP51C 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 CP52: IRS corrected your self-employment tax
- IRS Notice CP87B: Someone else also claimed you
- IRS Notice CP87C: Someone else claimed your dependent
- IRS Notice CP145: IRS could not apply your full credit
- IRS Notice CP147: IRS moved more credit to next year
- IRS Notice CP240: IRS changed your payroll tax return