Understand what a charitable donation is and how to claim a tax deduction without a tax receipt with IRS Form 8283. Keep a record of any items you donate to a charity.In many cases, charitable donations are tax-deductible. When you donate to a qualifying organization, you can deduct the amount from your taxable income. We've created this stepbystep guide on everything you need to know about creating a donation receipt letter for tax purposes. Not all contributions are tax deductible. Donation acknowledgment letters are more than just a donor tax receipt. There are certain items to include for tax purposes. There are many other reasons to send a receipt after receiving a donation. Or, simply request a donation receipt online here.