Materials donated to Goodwill are tax deductible. Please retain this slip to serve as a receipt of your contributions.We've created this stepbystep guide on everything you need to know about creating a donation receipt letter for tax purposes. 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. We have invested in a secure IRA donation tool to make it easier than ever to give from your IRA and receive tax benefits. You would have to itemize your entire tax return in order to take a deduction on charitable donations. Or, simply request a donation receipt online here. Your donation of used goods may be tax-deductible.