Simply send a letter and wish them God's blessing. Explain that you are moving and are ending you membership.I joined TNPC last month; however, I still need to write the letter officially terminating my membership at my parents' Methodist Church. Please let us know your intentions concerning your church membership. Thank you for your support and prayers in the past. It is easy and simple. We get the name of your previous church and send them a letter saying we have received you here and to remove your name off their roll. Dear Chairman Board of Elders,. I am writing to withdraw my membership from Grace Community Church. This page includes forms you may need below.