This letter should acknowledge the gift of stock, such as the name and number of shares. A donation acknowledgment letter (sometimes called a donation receipt or thankyou letter) is an email or paper that recognizes a charitable contribution.To contribute securities directly to Rice, please notify us of your intentions to transfer stock so we may identify, allocate and acknowledge your gift. Fill out your contact information and the details of your gift below. Once your gift is verified, we'll send your letter to the address you listed below. Send the completed form to your broker, along with any forms they require. 1. Please turn this page over and complete the letter of intent. Please mail your check to: United Way of Greater Houston Attention: Reseian Gaither Finance Department P.O. Box 3247. Houston, TX 77253-3247. Stock. The Administration Office will mail the donor a letter acknowledging the contribution of the stock as of the date the stock certificate is received.