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.We've created this stepbystep guide on everything you need to know about creating a donation receipt letter for tax purposes. Looking to craft your donation receipts? Learn about IRS requirements, best practices, tips for writing them, and some frequently asked questions! Materials donated to Goodwill are tax deductible. Please retain this slip to serve as a receipt of your contributions. Giving receipts is an important practice since 501(c)(3) donations are tax-deductible to the donor. Our sample form provides an easy way to get started. DonorPerfect helps you stay on top of receipting all year long, avoiding clerical errors and making tax time hassle-free.