We've created this stepbystep guide on everything you need to know about creating a donation receipt letter for tax purposes. Complete this form to request your donation tax receipt.If you donated to a nonprofit at one of our locations, you are able to access an electronic copy of our nonprofit partners' tax receipt below. Lastly, donations to the library are tax-deductible. If you wish to make your donation a tax deduction, please ask for a receipt inside the library. Donation receipts are important! Here's how to create donation receipts your donors (and the IRS) will love. Goodwill San Antonio offers an array of Frequently Asked Questions in response to inquiries on services and programs we offer. 2) if you end up using it, you need to mention why you're doing so and how long you would in the donation receipt. Not all nonprofit corporations are entitled to exemption from state or federal taxes.