Ask: Did the donor receive any goods or services in exchange for the gift? When acknowledging these donations, include the name of the donor, the number of shares, the name of the security, and the date when the transfer was completed.Want to learn how to write and structure donor acknowledgment letters? Check out these tips and sample letters to make a greater impact. What do you need to include in your donation acknowledgment letter? A donation acknowledgment letter (sometimes called a donation receipt or thankyou letter) is an email or paper that recognizes a charitable contribution. A good donation acknowledgement letter will show donors how much you appreciate their support and help them understand the impact their generosity will have. Yes, but the donor's contributions will not qualify as charitable deductions until tax-exempt status is obtained. If you have not received your IRS determination letter yet, you will need to fill out the more complicated form to get a state tax exemption.