Bystep guide on how to fill out a Goodwill tax donation receipt. This form is available at our stores in Maine, New Hampshire and Vermont.Keep a record of any items you donate to a charity. How do I fill it out? We've created this stepbystep guide on everything you need to know about creating a donation receipt letter for tax purposes. When you donate goods to The Salvation Army, all donation proceeds are used to fund our Adult Rehabilitation Centers. Click here to learn more! Because Goodwill is a 501(c)(3) not-for-profit organization, you can receive a tax receipt directly upon request at the store or any other attended location. 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.