Keep a record of any items you donate to a charity. This step-by-step guide will help you fill out the donation tax receipt and get things in order for tax season.Are monetary gifts tax-deductible? You would have to itemize your entire tax return in order to take a deduction on charitable donations. A list of all organizations or individuals that the organization has donated to and the amount of each donation during the agency's prior fiscal year. After your donation is complete, we mail your tax receipt. Use it at tax time to claim your tax deduction! We've created this stepbystep guide on everything you need to know about creating a donation receipt letter for tax purposes. All donations are tax-deductible to the extent of the law. You will receive a letter of acknowledgment for tax-purposes.