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.You fill in a reasonable, fair-market value of the donation. This means not the original purchase price but what a willing buyer would pay. Donation receipts are important! Here's how to create donation receipts your donors (and the IRS) will love. In the place of your donation receipt, please itemize your donated items, place a value on those donated items, and include the date of your location. Get a Free Nonprofit Donation Receipt Template for Every Giving Scenario. How do you claim a charitable tax deduction? We've created this stepbystep guide on everything you need to know about creating a donation receipt letter for tax purposes.