Generally, you can only deduct charitable contributions if you itemize deductions on Schedule A (Form 1040), Itemized Deductions. We've created this stepbystep guide on everything you need to know about creating a donation receipt letter for tax purposes.In many cases, charitable donations are tax-deductible. When you donate to a qualifying organization, you can deduct the amount from your taxable income. Include the nonprofit's EIN so the the donor can to check the charity's tax-exempt status with the IRS. Learn how to easily create your donation receipts and the best practices to follow in the year-end receipts to your donors. This step-by-step guide will help you fill out the donation tax receipt and get things in order for tax season. Charitable contributions are generally taxdeductible if you itemize. You'll need an acknowledgment letter dated prior to your filing your tax return for the year in which you made the donation. A donor gets the benefit of both a deduction and credit on their NYS personal income tax return.