What this letter is about Our third-party verification initiative is one of our newer efforts to keep your tax account information safe. What you need to do Review the letter and check the box that describes your situation. Return it by mail or fax within 30 days. If you prefer to fax, fax your information to the fax number in the notice using either a fax machine or an online fax service. Protect yourself when sending digital data by understanding the fax service’s privacy and security policies. We’ll consider your account verified when we receive your response. If you checked the “I did not authorize….” box Return the letter to us. We’ll contact you and let you know if you need to take any additional action. Until then, you can find information under the “Additional Information” section below. Frequently asked questions Why did I receive this letter? We’re conducting a random review of current third-party authorizations. This letter is one of the ways to verify your authorization of third-party access. Has my account been compromised? We don’t know if your account has been compromised; this review isn’t connected to other initiatives or investigations. If I don’t recognize the third party listed, should I check the “I did not authorize” box on the letter? Before you check the “I did not authorize” box, you may want to call your current tax professional because the name may be affiliated with your tax professional. If they’re not affiliated, check the box and return the letter to us. If I don’t have a tax professional and I don’t recognize the third party listed, what should I do? Check the “I did not authorize” box and return the letter to us. Helpful information Third Party Authorization Purpose Herramientas de referencia Publicación 1 (SP), Derechos del Contribuyente Publicación 594 (sp), El Proceso de Cobro del IRS PDF Publicación 1660 (SP), Derechos para la Apelación de Cobros PDF Aviso 746, Información Sobre su Aviso, Multas e Intereses PDF Pago de impuestos Lista completa de formularios y publicaciones tributarios (en inglés) How to get help Call the 800, 866 or 888 number listed on the top right corner of your letter.