Understand what a charitable donation is and how to claim a tax deduction without a tax receipt with IRS Form 8283. This publication explains how individuals claim a deduction for charitable contributions.In many cases, charitable donations are tax-deductible. When you donate to a qualifying organization, you can deduct the amount from your taxable income. Enter the total of your voluntary contributions from TC-40, page 3, Part 4. The contributions will add to your tax due or reduce your refund. That is more than your tax liability. Complete form TC-40T, Live Organ Donation Expenses Credit. If you donated to a nonprofit at one of our locations, you are able to access an electronic copy of our nonprofit partners' tax receipt below. Complete this form to request your donation tax receipt.