You can also track all of your donations, and download and print your receipts. Toll Free Number: 1.888.4.GOODWILL.If you are not sure whether your donation is tax-deductible, verify the charity's 501(c)(3) status with the Attorney General's website or the IRS website. We've created this stepbystep guide on everything you need to know about creating a donation receipt letter for tax purposes. The Donation Value Guide below helps you determine the approximate tax-deductible value of some of the more commonly donated items. The form and instructions are available on the IRS site and can be accessed through this link, IRS Tax Forms. If you donated to a nonprofit at one of our locations, you are able to access an electronic copy of our nonprofit partners' tax receipt below. For free truck pick-up of your item donation please call our call center at 1-800-974-3571. (acceptable for tax purposes). Occasionally, our donors choose to receive a tax deduction for their instrument donation.