Filling out this form is straightforward. We've created this stepbystep guide on everything you need to know about creating a donation receipt letter for tax purposes.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. Check made payable to UC Riverside Foundation. Credit Card — For your convenience we accept: Visa Master Card Discover AmEx. Discover® Card MasterCard®. Visa®. The receipt they handed me just had "2 bags, clothes" listed on it. As the donor, apparently I am supposed to fill in the value. Bill Payment Through Bank. Bill Payment Through Bank.