Only signed, approved donation forms are acceptable as acknowledgement of in-kind donations. In this post, I'm breaking down how to write a donation letter.We've compiled common types of donation requests, plus carefully crafted templates that your team can use to jumpstart your outreach. I've attached a voided check from the account I would like to use. Giving receipts is an important practice since 501(c)(3) donations are tax-deductible to the donor. Our sample form provides an easy way to get started. This free template instantly generates a PDF receipt that can be downloaded, printed for your records, or automatically emailed to donors for their tax returns. In this guide, we'll walk you through how to write a yearend donation letter that connects with your audience and inspires action. This free template instantly generates a PDF receipt that can be downloaded, printed for your records, or automatically emailed to donors for their tax returns. If you're just getting started, check out the sample charitable donation form template below.