Whether you're new to the STAR program or considering a switch to the STAR credit, review our resources for a complete overview. We've created this stepbystep guide on everything you need to know about creating a donation receipt letter for tax purposes.Everything your nonprofit needs to know about Donation Receipts: When to issue, what to include, how to automate the process. Learn the best practices! This form is for general instructions that apply to all corporation tax forms. It includes a variety of topics about how to fill out your form. If you work for a nonprofit, endofyear donation letters keep your organization IRS compliant. Here are some FAQs to help you prepare. The acknowledgment to the donor should include the following: Contribution Details Statements – Good Faith Estimates of Value of Goods or Services. You must have a General Vendor license to sell, lease, or offer to sell or lease goods or services in a public place that is not a store.