What this notice is about The income or payment information reported to IRS doesn't match the information you reported on your tax return. This discrepancy may cause an increase or decrease in your tax or may not change it at all. What you need to do Read your notice carefully. It explains the information we received, how to respond, and what will happen if you don’t respond. Complete and return the response form and state whether you agree or disagree with the notice. You can return your response by: Mail using the return address on the enclosed envelope, or Fax your documents to the fax number in the notice using either a fax machine or an online fax service. Several online fax services use the internet to send files from your computer or smart device to a fax number. If you agree with the information, follow the instructions to sign the response form. We require both spouses’ signatures if you filed married filing jointly. If you disagree, complete and return the response form. Provide a signed statement explaining why you disagree and supply any documentation to support your statement. If the information reported to us is not correct, contact the business or person who reported the information. Ask them for a corrected document or a statement to support why it is in error, then send us a copy with your response. You may want to Order a transcript of your return, if needed. Make sure your other returns don't have the same mistake. If they do, file Form 1040-X, Amended U.S. Individual Income Tax Return PDF, to correct the mistakes. Contact us with any unanswered questions you have or if you need time to respond to the notice. Keep a copy of the notice for your records. Visit our website to learn more about payment options if you owe additional taxes. Learn more about payment plans and installment agreements if you cannot pay the full amount of taxes you may owe. Fill out section 3 (authorization) on the response form to allow someone, in addition to yourself, to contact us about this notice. Or, send us a Form 2848, Power of Attorney and Declaration of Representative PDF, to allow someone (such as your tax return preparer) to contact us on your behalf. Frequently asked questions Why did I receive the notice? We received information from a third party, such as employers or financial institutions, which doesn't match the information you reported on your tax return. Is the notice a bill? No. The notice informs you of a discrepancy between the information we received, and the information reported on your return. If the discrepancy remains unresolved, or we don’t receive a response to the notice, you may receive a subsequent notice and a bill at a later date. What do I do if the information reported to IRS is incorrect? The response form has instructions on what to do if the information is incorrect. How can I get a transcript or copy of my original return? You can request a return transcript on our Get Transcript page. You can also get one by calling our automated phone application at 800-908-9946 or by completing and sending us a Form 4506-T, Request for Transcript of Tax Return PDF. You can get a copy of your return from your tax preparer if you used one. Otherwise, you can get a copy of your return by completing and sending us a Form 4506, Request for Copy of Tax Return PDF. We charge a fee for tax return copies. What can I do if the information is wrong because someone else is using my name and Social Security number? You can complete and send Form 14039, Identity Theft Affidavit PDF, to us along with the completed response form. You can also go to our identity theft information webpage to find out more about what you can do. Do I need to amend my return? If the information in the notice is correct, or if you have additional income, credits or expenses to report, you may want to complete and submit a Form 1040-X, Amended U.S. Individual Income Tax Return PDF, and return it with a completed response form. If you choose to file an amended return, write "CP2501" on top of your return and attach it behind your completed response form. Send the information in the envelope provided or fax it to the number shown on the notice. You can request help at an IRS Taxpayer Assistance Center. Why did it take you so long to contact me about this matter? We match the information you report on your tax return with information reported to IRS by third parties; such as financial institutions, employers, and other businesses. Due to the complexity of the matching process, it can take months to complete. Can I call you to correct my return if I reported the information incorrectly? Yes, you can call us. We can generally accept your information over the phone for incorrectly reported information. If the information you provide over the phone isn't enough to resolve all the issues, you should mail or fax a signed statement explaining your disagreement and include any documentation that supports your position. How can I find an IRS Taxpayer Assistance Center? IRS Taxpayer Assistance Centers are located throughout the country. Our website can help you find the center nearest to you. Tips for next year You can avoid future problems by: keeping accurate and full records. waiting until you get all your income statements to file your tax return. checking the documents you receive from your employer, mortgage company, bank, or other sources of income (Forms W-2s, 1098s, 1099s, etc.) to make sure they're correct. including all your income on your tax return. following the instructions on how to report income, expenses, and deductions. filing an amended tax return for any information you receive after you've filed your return. Consider filing your taxes electronically. Filing online can help you avoid mistakes and find credits and deductions you may qualify for. In many cases you can file for free. Learn more about how to file electronically. Reference Tools Publication 1, Your Rights as a Taxpayer PDF Publication 5181, Tax Return Reviews by Mail PDF Form 4506-T, Request for Transcript of Tax Return PDF Form 4506, Request for Copy of Tax Return PDF Full list of tax forms and instructions Need Help? You can authorize someone to contact the IRS on your behalf. See if you qualify for help from a Low Income Taxpayer Clinic. If you can’t find what you need online, call the IRS number at the top of your notice or letter.