Acknowledgment of "no goods or services were provided as part of this donation. Letters, postcards, emails, or computergenerated forms are all acceptable.Below are sample acknowledgements with the basic IRS requirements. Your basic donation form should be succinct and to the point. Please complete this donation form and mail to: Habitat for Humanity-MidOhio. 6665 Busch Boulevard. This document provides a sample format for a letter acknowledging an in-kind contribution or donation. Write a letter to your donor family. Use our online letter form to write a message and share photos of your life with your donor family. This document provides a sample format for a letter acknowledging an in-kind contribution or donation.