Donation receipts are important! Here's how to create donation receipts your donors (and the IRS) will love.This step-by-step guide will help you fill out the donation tax receipt and get things in order for tax season. 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. 1. Fill out the Application for Probate and Letters (AOC-E-201). 2. What do you need to include in your donation acknowledgment letter? Online through our PDF Upload Portal. Mail. Type of Document, Mailing Address. How do I find out the zoning of my property?