Learn how to write effective fundraising letters that inspire more support from donors. Explore best practices and templates in this comprehensive guide.In this post, I'm breaking down how to write a donation letter. Contributions may be tax deductible. Try our free donation request letter templates! Download our standard template or check out our example letters for events, auctions, schools, and more. Enter the entity name and identifying number from the tax return where the noncash charitable contribution was originally reported, if different from above. Below please find resources and frequently requested items to help support and facilitate your donations to Catholic Charities of Southern Nevada. Download Nevada 501(c)(3) Donation Receipt template, modify and send for signing using BoloForms Signature. 1. Print the template on letterhead.