Section 3.06—Termination of Membership. Church discipline is the process of correcting sin in the life of the congregation and its members.You can always write a formal letter to your local church board stating your request and the reasons why. Biblical guide to leaving a church with minimum guilt or doubt. I have found some churches deny the withdrawal of membership while under church discipline. I joined TNPC last month; however, I still need to write the letter officially terminating my membership at my parents' Methodist Church. Most churches thin their membership lists every so often. If they haven't seen in in a year or two, they figure you've left. It's time for churches that have strict covenants to take a hard look at themselves because, in the end, these are based on ego and control. Among them was An Act Concerning Religion.