This step-by-step guide will help you fill out the donation tax receipt and get things in order for tax season. Get a written certificate of receipt from the charity you donate money to.We've created this stepbystep guide on everything you need to know about creating a donation receipt letter for tax purposes. Get a Free Nonprofit Donation Receipt Template for Every Giving Scenario. A donation receipt documents the details of a cash or property donation that's gifted to an individual cause or organization.