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.Send a letter acknowledging this gift to: Name. Address. City. 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. How Do I Make a Donation in Honor of or in Memory of Someone? Donation acknowledgment letters are more than just a donor tax receipt. There are certain items to include for tax purposes. Submit the estimated total amount spent on the donations when you deliver it to The Bridge and we'll provide you with a tax-acknowledgement letter. Accepted materials: Call your local branch to schedule an appointment.