This publication explains how individuals claim a deduction for charitable contributions. A tax donation letter contains details about the donation, including the date, a description, donor information, and value.Please keep this written acknowledgement of your donation for your tax records. We've created this stepbystep guide on everything you need to know about creating a donation receipt letter for tax purposes. TC-62N, TC-0062N, Utah Sales Tax Refund Booklet for Religious or Charitable Organizations, 2007-08-01, Aug 1, 2007, Sales, Form, Current. Sample Donor Acknowledgement Letter for Cash Donation. Line 6 – Federal Charitable Contributions. Enter any federal charitable contributions from federal form. Donation acknowledgment letters are more than just a donor tax receipt. There are certain items to include for tax purposes.