You should consider consulting with a licensed attorney in the State of Nevada to determine if termination is necessary. Check out our guide to church donation letters that includes 8 templates for you to use.We've also provided some church fundraising letters best practices! A church donation letter should therefore include a message of appreciation for past support and a plea for continued assistance. I joined TNPC last month; however, I still need to write the letter officially terminating my membership at my parents' Methodist Church. You can make a difference in other's lives. In this article, we'll walk you through everything you need to know about church donation letters. We'll also include some great templates to guide you! Donate to Catholic Charities of Southern Nevada. Donate Now at Catholic Charities of Southern NV. You Make A Difference!