We've created this stepbystep guide on everything you need to know about creating a donation receipt letter for tax purposes. Learn how to easily create your donation receipts and the best practices to follow in the year-end receipts to your donors.Donation receipts are important! Here's how to create donation receipts your donors (and the IRS) will love. All of the forms listed below are in Adobe Acrobat PDF (PDF) format. This file serves as an official donation receipt for tax purposes. It contains essential information about the donation and the donor. Gather all information required to complete the form. Have a valid form of payment. The online donation form must be filled out completely in order for your request to be considered.