Learn how to write the best donation request letters to secure support for your nonprofit, including six templates to get started. 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 sample donation request letter template from the University of California. Church donation request letter, church donation letter, sample church donation request letter, church donation request letter template. How To Write the Perfect Donation Request Letter Start with a greeting. Explain your mission. Letters for donation or sponsorships need to be drafted well in order to create the sense of credibility and authenticity in the minds of the donors. Check out our letter for a church donation selection for the very best in unique or custom, handmade pieces from our templates shops. Include the nonprofit's EIN so the the donor can to check the charity's tax-exempt status with the IRS.