A gift acknowledgment letter weaves together your nonprofit's appreciation, engagement, and compliance efforts following a donor's generosity. What do you need to include in your donation acknowledgment letter?We've compiled common types of donation requests, plus carefully crafted templates that your team can use to jumpstart your outreach. In this guide, we'll explore many of today's top corporate sponsorship opportunities in the greater Phoenix area. Gift acknowledgement letters are important for two reasons. First, they provide proof so donors can claim a US tax exemption. Below you'll find eight donation thank you letter examples that you can use to show appreciation to your donors today. An inkind donation is a nonfinancial donation, typically of goods or services. Learn about Phoenix Raceway's commitment to giving back on our Charities page. Join us in making a difference both on and off the track.