What this notice is about Your tax return shows a different name and/or ID number from the information we have for your account. Please provide the requested information. What you need to do Review your identifying information shown on this notice and compare it to your most recent social security card or taxpayer ID card. Complete the CP54 response form to explain the discrepancies. Include copies of documents to substantiate your name and identifying number. You may want to Contact the Social Security Administration (SSA) to update your records if you have a social security number (SSN) and any of the following occurred: you recently married and are using your spouse’s last name and have not already contacted SSA, you legally changed your name without contacting SSA, or your SSN and/or name are different from when you received your social security card. Contact the IRS, ITIN Operation, to update your records if you have an ITIN and any of the following occurred: you recently married and are using your spouse’s last name and did not contact IRS to update your records, you legally changed your name without contacting the IRS to update your records, or your ITIN and/or name are different from when you received your CP565, ITIN Assignment Letter. For more information about ITINs, review Publication 1915, Understanding Your IRS Individual Taxpayer Identification Number (ITIN)PDF. Frequently asked questions I sent you my information. Now what happens? Once we receive your response form and verify the information you provided, we will update our records accordingly. If you are due a refund and you haven’t heard from us after 6 weeks, you can check the status of your refund on Where’s My Refund? Tips for next year Make sure you file using your name and taxpayer ID number (TIN) that was updated by SSA or IRS. Reference tools Publication 1, Your Rights as a Taxpayer Notice Topic 651 Notice Topic 653 Full list of tax forms and instructions Need help? You can authorize someone to represent you before the IRS or inspect and/or receive confidential tax information. You may be eligible for free help from the Taxpayer Advocate Service (TAS). See if you qualify for help from a Low Income Taxpayer Clinic. You can request a copy of your notice or letter in Braille or large print. If you can’t find what you need online, call the telephone number on your notice or letter.