Your notice or letter will explain the reason for the contact and give you instructions on how to handle the issue. If you agree with the information, there is no need to contact us. If, when you search for your notice or letter using the Search on this page, it doesn't return a result, or you believe the notice or letter looks suspicious, contact us at 800-829-1040. If you determine the notice or letter is fraudulent, please follow the IRS assistor's guidance or visit our Report Phishing page for next steps. To get a copy of your IRS notice or letter in Braille or large print, visit the Information About the Alternative Media Center page for more details. Why was I notified by the IRS? The IRS sends notices and letters for the following reasons: You have a balance due. You are due a larger or smaller refund. We have a question about your tax return. We need to verify your identity. We need additional information. We changed your return. We need to notify you of delays in processing your return. Next steps Read Each notice or letter contains a lot of valuable information, so it’s very important that you read it carefully. If we changed your tax return, compare the information we provided in the notice or letter with the information in your original return. Respond If your notice or letter requires a response by a specific date, there are two main reasons you’ll want to comply: to minimize additional interest and penalty charges. to preserve your appeal rights if you don’t agree. Pay Pay as much as you can, even if you can’t pay the full amount you owe. You can pay online or apply for an Online Payment Agreement or Offer in Compromise. Visit our payments page for more information. Keep a copy of your notice or letter It’s important to keep a copy of all notices or letters with your tax records. You may need these documents at a later date. Contact us We provide our contact phone number on the top right-hand corner of the notice or letter. Typically, you only need to contact us if you don’t agree with the information, if we requested additional information, or if you have a balance due. You can also write to us at the address in the notice or letter. If you write, allow at least 30 days for our response. The location of the notice or letter number You can find the notice (CP) or letter (LTR) number on either the top or the bottom right-hand corner of your correspondence. Get Tax Help Taxpayer Advocate Form 2848 Power of Attorney and Declaration of Representative Low Income Taxpayer Clinic Income Eligibility Guidelines Notice Topics Topic No. 651 Notices – What to Do Topic No. 652 Notice of Underreported Income – CP2000 Topic No. 653 IRS Notices and Bills, Penalties, and Interest Charges Other Help Tools Taxpayer Guide to Identity Theft Did you know life events like marriage birth and divorce may have a significant tax impact Affordable Care Act Find a Form About Form 1040, U.S. Individual Income Tax Return About Form 1040-A, U.S. Individual Income Tax Return About Form 1040-EZ, Income Tax Return for Single and Joint Filers With No Dependents About Form 1040-X, Amended U.S. Individual Income Tax Return 2019 Form 4868 (PDF) Current Forms, Pubs Prior Year Forms, Pubs Order Products Pay Over Time... Get on a monthly payment schedule. Apply for an Online Payment Agreement