Materials donated to Goodwill are tax deductible. Please retain this slip to serve as a receipt of your contributions.We've created this stepbystep guide on everything you need to know about creating a donation receipt letter for tax purposes. A donation receipt documents the details of a cash or property donation that's gifted to an individual cause or organization. Name. Street Address. City. State. Fill out the form here. Non Profit Submission Form. Fill out our easy car donation form or call us at 1-877-646-1976. After filling out the donation receipt, you can submit it via email to the designated contact at the organization. After your donation is complete, we send your tax-deductible receipt in the mail.