In that case, all you need to provide in the donation receipt is the name and EIN of the organization, date of donation, and a description of the donated item. The donor will use this letter as proof of his or her donation to claim a tax deduction.Master donation receipts fast with our tips, free templates and messaging samples. Donation acknowledgment letters help communicate appreciation while giving donors necessary tax information. Looking to craft your donation receipts? Learn about IRS requirements, best practices, tips for writing them, and some frequently asked questions! Complete this form to request your donation tax receipt. Complete this form to request your donation tax receipt. The donor will use this letter as proof of his or her donation to claim a tax deduction. Cash donations without a receipt cannot be deducted.