Thank you for your donation of securities to Tarrant Area Food Bank. Donation receipts are important!Here's how to create donation receipts your donors (and the IRS) will love. Donation acknowledgment letters are more than just a donor tax receipt. There are certain items to include for tax purposes. A good donor acknowledgment letter is both a transaction record and a donor engagement opportunity. Here's how to write one. What do you need to include in your donation acknowledgment letter? Failure to acknowledge receipt of this Addendum may result in the disqualification of. Respondent's response.