I joined TNPC last month; however, I still need to write the letter officially terminating my membership at my parents' Methodist Church. You can always write a formal letter to your local church board stating your request and the reasons why.Dear Chairman Board of Elders,. I am writing to withdraw my membership from Grace Community Church. This DISAFFILIATION AGREEMENT PURSUANT TO ¶ 2553 (the "Disaffiliation. "I am no longer a member of this church. I do not need your permission, nor do I care whether or not you agree with my decision. "Signed,.