A simple donation letter sample can start with, "You've been a big part of our organization's fabric over the years. We've compiled common types of donation requests, plus carefully crafted templates that your team can use to jumpstart your outreach.Let's walk through common examples of donation letters, starting with a template of the basic format to follow. 1. Print the template on letterhead. Include the nonprofit's EIN so the the donor can to check the charity's tax-exempt status with the IRS. What do you need to include in your donation acknowledgment letter? What should be included in a nonprofit donation form? ➢ The application may be filled out electronically in Word. □ Qualified nonprofit IRC Section 501(c)(3), as donor or recipient. The application may be filled out electronically in Word.