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For you and your family
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Forms and Instructions

Individual Tax Return
Instructions for Form 1040
Request for Taxpayer Identification Number (TIN) and Certification
Request for Transcript of Tax Return

 

Employee's Withholding Allowance Certificate
Employer's Quarterly Federal Tax Return
Employers engaged in a trade or business who pay compensation
Installment Agreement Request

Popular For Tax Pros

Amend/Fix Return
Apply for Power of Attorney
Apply for an ITIN
Rules Governing Practice before IRS

Understanding your CP13 Notice

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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.


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).

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.

Printable samples of this notice (PDF)

How to get help