How To Write A Letter Of Intenent For Membership Committe . A membership letter is usually written when a person is seeking membership at a place, club, society, or organization. Use the first one or two sentences of your letter to formally introduce yourself. Letter of Intent — Candi Kern from candikern.com I hope you will accept this request. Set up a series of emails in your membership platform related to renewal. Enthusiasm is contagious and should prompt your letter recipients to join in.