We've created this stepbystep guide on everything you need to know about creating a donation receipt letter for tax purposes. This receipt is issued to individuals who have donated cash or payment, personal property, or a vehicle and seek to claim the donation as a tax deduction.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. Department of Taxation and Finance. Office of Real Property Tax Services. Donation receipts are important! Here's how to create donation receipts your donors (and the IRS) will love. 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.