This step-by-step guide will help you fill out the donation tax receipt and get things in order for tax season. By signing below, you acknowledge that this is your receipt for tax purposes.A donation receipt documents the details of a cash or property donation that's gifted to an individual cause or organization. Use the space below to list the items you donated to Goodwill (ie: number of bags of clothing, boxes of household goods, type of furniture, etc.). We've created this stepbystep guide on everything you need to know about creating a donation receipt letter for tax purposes. Upon submission of this form, you will receive an email acknowledgement that serves as your IRS acceptable receipt. Complete Online Donation Form. Complete Online Donation Form. Glossary. Search terms. Examples: receipt; Hybrid PAC. Act.