What this notice is about We couldn't complete your request for transcripts or copies of your tax returns because we couldn't verify the signature. What you need to do Read your notice carefully. It will explain what you need to do to correct your request. Contact your third-party to resubmit a corrected Form 4506-C, IVES Request for Transcript of Tax ReturnPDF, or Form 4506, Request for Copy of Tax ReturnPDF. Submit a corrected Form 4506, Form 4506-T, Request for Transcript of Tax Return, or Form 4506-T-EZ, Short Form Request for Individual Tax Return Transcript, request online. Contact us if you disagree. You may want to Learn more about signature title requirements for each tax return form type. Learn more about proper authorization for third parties. 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.