Materials donated to Goodwill are tax deductible. Please retain this slip to serve as a receipt of your contributions.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. Donating to Goodwill is convenient. We ensure your donations are treated safely and with respect. Here are some handy IRS tips for deducting charitable donations. When you bring items to one of our donation locations, you may fill out a paper donation form. When you drop off your donations at Goodwill, you'll receive a receipt from a donation attendant. Hang on to this receipt.