This certifies that. This letter is sent 15 days before the renewal date and includes more actionable language to help members complete the renewal process on time.Trying to write a membership renewal letter but don't know where to start? A welcome letter and listing of all services available to new Ohio REALTOR members. Optimize your member renewal letters to keep members coming back year after year. Read our how-to guide and download your free template. The purpose of writing a letter to an elected official is to request action on a specific issue or policy. Membership Cover Letter Sample Customize this template. Example 1: Proof of Residency Letter Sample. 12-point Tahoma font was used to fill up the page.