You can do is to end your membership in The UMC. Write a letter to or call the church's office and ask to withdraw membership and remove your information from their records.I joined TNPC last month; however, I still need to write the letter officially terminating my membership at my parents' Methodist Church. _____ I do not intend to return to ______, please remove my name from the membership rolls of. If a pastor is informed that a member has without notice united with a church of another denomination, the pastor shall make diligent inquiry. Drew McIntyre and Rev. In the United Methodist Church General Conference determines the overarching theology, policies and procedures for all United Methodist Churches.