Trying to write a membership renewal letter but don't know where to start? This letter is sent 15 days before the renewal date and includes more actionable language to help members complete the renewal process on time.Optimize your member renewal letters to keep members coming back year after year. Read our how-to guide and download your free template. View a sample "Application for Original Contractor License. Learn effective membership renewal letter strategies with guide and samples. Improve member retention! The Common Letter of Recommendation (LOR). Streamlining the LOR Process. You can mail or bring it to the address noted on the application.