What this letter is about Verifying your income and income tax withholding If you filed a return You don't need to take any action. Please do not call us until 60 days after the letter date and only if you haven't received your refund or heard from us by then. We recommend you review your return for any errors and file a corrected or amended return to correct the information. You may want to Review this letter with your tax preparer. Contact Taxpayer Advocate Service (TAS) if you're experiencing an economic hardship or need help in resolving problems. You can reach TAS at 877-777-4778 or TTY/TTD 800-829-4059. Frequently asked questions Why is my return being reviewed? We select some returns to determine if income, expenses, and credits are being reported accurately. This doesn't mean you made an error or were dishonest. What if I didn't file the tax return? Someone else may have filed it for you without your consent. Send us a completed and signed Form 14039, Identity Theft Affidavit PDF. You may want to read our identity theft resources page while we review your Form 14039. Helpful Information If you haven't received your refund or heard from us after 60 days, you can call us at 800-829-1040. Reference Tools Publication 1, Your Rights as a Taxpayer Publication 17, Your Federal Income Tax 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.