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!Kickstart your church fundraising campaigns! Easily customize these nine free templates to match your church's message and start getting donations today! The letter should describe the type of donation (e.g. Edit, sign, and share church in kind donation form online. No need to install software, just go to DocHub, and sign up instantly and for free. Further information on completing and submitting the forms may be found on the IRS website. 9. Apply for Michigan state tax exemption. How do you write a church donation letter for tax purposes?