Understanding your CP13 Notice
We made changes to your return because we believe there's a miscalculation. You're not due a refund nor do you owe an additional amount because of our changes. Your account balance is zero.
Looking for information for CP13A Notice, CP13M Notice, or CP13R Notice?
Printable samples of this notice (PDF)
Tax publications you may find useful
- Publication 1, Your Rights as a Taxpayer
- Publication 505, Tax Withholding and Estimated Tax
- Find a copy of any necessary tax forms and instructions
How to get help
Calling the 1-800 number listed on the top right corner of your notice is the fastest way to get your questions answered.
You can also authorize someone (such as an accountant) to contact the IRS on your behalf using this Power of Attorney and Declaration of Representative (Form 2848).
Or you may qualify for help from a Low Income Taxpayer Clinic.
What you need to do
- Review the notice and compare our changes to the information on your tax return.
- Correct the copy of your tax return that you kept for your records.
- You don't need to do anything if you agree with the notice.
- If you disagree with the notice, please contact us at the toll-free number listed on its top right corner (within 60 days of its date).
You may want to...
- Download copies of the following materials (if they weren't included with your notice):
- Call 1-800-TAX-FORM (1-800-829-3676) to have forms and publications mailed to you.
- Complete and send us a Form 2848, Power of Attorney and Declaration of Representative to authorize someone (such as an accountant) to contact us on your behalf.
Answers to Common Questions
Why did I receive this notice?
We sent you the notice because we corrected one or more miscalculations on your tax return.
How can I find out what caused the changes to my tax return?
Please contact us at the toll-free telephone number listed on the top right corner of the notice for more specific information about the changes to your tax return.
What should I do if I disagree with the changes you made?
Contact us at the toll free number listed on the top right corner of your notice if you disagree with the changes we made.
What should I do if I need to make another correction to my tax return?
You'll need to file an amended return to make a correction.
Tips for next year
Consider filing your taxes electronically. Filing online can help you avoid mistakes and find credits and deductions that you may qualify for. In many cases you can file for free. Learn more about e-file.
Understanding your notice
Reading your notice
Your notice may look different from the sample because the information contained in your notice is tailored to your situation.
Notice CP13, Page 1
Notice CP13, Page 2
Notice CP13, Page 3
