Keep a record of any items you donate to a charity. 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.We've created this stepbystep guide on everything you need to know about creating a donation receipt letter for tax purposes. In this post, we'll outline the various tax forms your donors need and how Paybee can help your nonprofit issue such receipts.