Understand what a charitable donation is and how to claim a tax deduction without a tax receipt with IRS Form 8283. You cannot claim a charitable contribution without a receipt.Generally, you can only deduct charitable contributions if you itemize deductions on Schedule A (Form 1040), Itemized Deductions. Accurately track and value items you donate to charities with ItsDeductibleâ„¢ plus other donations such as cash, mileage, and stocks with our free, easy app. How Much in Donations Can Be Claimed Without Receipts? If you would like to make a tax-deductible charitable donation, you may do so in a number of ways. How can I give online? An organization that previously filed the Registration Statement must annually fill out an Annual Update of Registration Form. Donors are required to submit documentation from the institution showing proof of donation within 30 days before a final tax credit certificate is issued. Refill and transfer prescriptions online or find a CVS Pharmacy near you.