Learn how to write effective fundraising letters that inspire more support from donors. Explore best practices and templates in this comprehensive guide.This receipt is issued to individuals who have donated cash or payment, personal property, or a vehicle and seek to claim the donation as a tax deduction. Donation receipts are important! Here's how to create donation receipts your donors (and the IRS) will love. I've attached a voided check from the account I would like to use. 1. Introduce your organization and its representative. Fundraiser Donation Request Letter. Let's walk through common examples of donation letters, starting with a template of the basic format to follow. In this post, I'm breaking down how to write a donation letter.