This step-by-step guide will help you fill out the donation tax receipt and get things in order for tax season. Designated donations may only be accepted when they have a purpose consistent with the City's goals and objectives and are in the best interest of Riverside.It includes detailed donation options, payment methods, and instructions. 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. Approximately one to two weeks after making your gift, you will receive a receipt in the mail. Will my company match my gift to the UC Riverside Foundation? 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. Your donation to the Riverside ReStore may be tax-deductible, according to the law.