How do I write a letter to change my church membership? This is an almost unanswerable question without context.Easily withdraw your membership from a church with our free Church Membership Withdrawal Letter Template. We're going to talk about why the forms don't get filled out and talk about a few reasons a few things and maybe even address some of the problems. Gov(opens in a new window). You've got options: Tell your bishop that you want out. Fill out an affidavit saying so in his presence and that's it. To become a member please fill out either the individual or church membership form. Check out these best practices, awesome examples, and a free template! Protect My Ministry offers complete background check and volunteer screening services for churches.