IRS Letter CP11
Why are you receiving this letter?
You received IRS letter CP11 because the IRS determined there was a calculation error on the subject noted on the letter. The possible calculation error was found while processing your tax return. On our Notice example, the IRS stated that the error was on a tax credit calculation. The IRS then made the correction to the tax return. This change created a balance due on your account for the Notice tax year.

- You owe a balance and can pay it.
- You can pay online at www/irs.gov/payment.
- You can also call phone number listed on the top right hand corner of the letter.

- You would like to discuss the changes made with someone not working for the IRS to understand what is going on and the options you have.

- You would like to discuss the changes made with someone not working for the IRS to understand what is going on and the options you have.
- You can pay the tax adjustment but refuse to pay the penalties.
- You are unable to pay the additional taxes owed to the IRS.
What should you do?
The first thing to do is to pull out your copy of the tax return. Then review the area the IRS stated an error was made. Check the calculation on your return to see if there was actually a mistake made.
If you disagree with this notice, contact the IRS at the telephone number listed at the top right corner of the Notice. Be prepared to explain why a mistake was not made. Contact our office to discuss your options and appeal rights.
If you agree with the error, you now have a tax balance due and owing to the IRS.
What can you expect next?
IRS letter CP11 is considered a tax bill. The IRS asks that you pay the balance due in full. You do have options, but if the tax bill is left unpaid, the IRS may move forward with filing Federal Tax Liens and/or Tax Levies on your wages, bank accounts, state & federal tax refunds, etc.