What this notice is about This notice requests your help in locating a taxpayer you may know. What you need to do Complete Form 15106 included with your notice, detach notice stub and return them using the envelope provided. If you prefer, you can call the number at the top of the notice. Please respond within 10 days from the date of your notice. Call or write if you want your name excluded from the list of persons we contact. You may want to Keep this notice in your permanent records. Frequently asked questions Who should I contact? Call the number at the top of the of your notice if you have questions. Why would I want to be excluded from a list of persons contacted? We’re required by law to keep a list of people we’ve contacted, called third-party contacts. In some cases, we are required to provide this to the individual. If you don’t want to be on this list, please call us at the phone number on the top of the first page of your notice. Reference Tools Publication 1, Your Rights as a Taxpayer 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. If you didn’t receive a letter or notice, use telephone assistance. If you can't resolve the penalty on your own, contact Taxpayer Advocate Service, an independent organization within IRS.