Understanding Your CP20 Notice
We believe you incorrectly claimed one or more deductions or credits. As a result, your refund is less than you expected.
What you need to do
- Review your notice and compare our changes to your tax return.
- Complete and return the Response form.
You may want to...
- Review this notice with your tax preparer.
- Read about the deduction or credit in Publication 17.
- Call us for clarification at the number listed on your notice.
Answers to Common Questions
What is the notice telling me?
Based on the information shown on your tax return, it appears you have not met the requirements for claiming one or more deductions or credits. As a result, your refund is less than you expected.
What do I have to do?
Review the requirements for the deduction or credit we adjusted. Return the Response form indicating thereon your agreement or disagreement with the changes we made.
If you feel your tax return was correct as filed, send us the documentation listed on page 2 of the notice to verify you qualify for the exemption or credit.
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.