It should provide written acknowledgment of donations it receives (known as donation receipts) so that donors may claim a tax deduction for their contribution. What do you need to include in your donation acknowledgment letter?This step-by-step guide will help you fill out the donation tax receipt and get things in order for tax season. A donation acknowledgment letter (sometimes called a donation receipt or thankyou letter) is an email or paper that recognizes a charitable contribution. Your pickup schedule is confirmed, and your information is provided below. Thanks to your generosity, someone will find hope, help, and a second chance in life. Donation acknowledgment letters are more than just a donor tax receipt. There are certain items to include for tax purposes. When you donate goods to The Salvation Army, all donation proceeds are used to fund our Adult Rehabilitation Centers. Click here to learn more!