Download a proof of residency letter template for family members, notarized or non-notarized, tailored for legal use. Be courteous and informative in your communication.This letter is sent 15 days before the renewal date and includes more actionable language to help members complete the renewal process on time. Did you receive a letter from the Illinois Department Of Revenue asking you to verify your identity? Address to the individual named in the job posting, or with "Dear Members of the. The Supreme Court Commission on Access to Justice has approved the following forms. All Illinois Courts must accept these forms. All forms are ADA accessible, and you can handwrite or type into the PDF form to fill it out. To find out if you qualify, write a letter of request to the Illinois Department of Revenue, Sales. Discover sample templates to make sure you get your letters right and retain your members.