A membership renewal letter should first thank the customer for their membership and ask if they would like to renew for another year. Trying to write a membership renewal letter but don't know where to start?Boost your renewal rates with a foolproof membership renewal letter! This page briefly explains why the Michigan Department of Treasury contacted you. Download a proof of residency letter template for family members, notarized or non-notarized, tailored for legal use. Optimize your member renewal letters to keep members coming back year after year. Read our how-to guide and download your free template. Here is a prototype letter to your membership. Feel free to borrow from it, making changes as they apply to your situation. College admissions letters are rolling in for many students across the country, and financial aid offers will be right behind them.