Understand what a charitable donation is and how to claim a tax deduction without a tax receipt with IRS Form 8283. Charitable contributions are generally taxdeductible if you itemize.Submit the form below to request a donation receipt. Don't hesitate to reach out to our Donor Services team at 888.392. Generally, you can only deduct charitable contributions if you itemize deductions on Schedule A (Form 1040), Itemized Deductions. DonorPerfect helps you stay on top of receipting all year long, avoiding clerical errors and making tax time hassle-free. Learn how to easily create your donation receipts and the best practices to follow in the year-end receipts to your donors. How much in donations can I claim on tax without receipts? Donation acknowledgment letters are more than just a donor tax receipt. There are certain items to include for tax purposes.