Customize fields for seamless donor submissions and track contributions easily. Complete and send the Stock Donation LETTER OF INTENTION.ALL STOCK DONATIONS MUST BE ACCOMPANIED BY a stock donation Letter of Intention form. Your first paragraph for an in-kind donation letter to a business will be about the same as any other donation letter. Instructions for completing the IN-KIND DONATION FORM: 1. This is the simplest online donation form template that you can use without any code requirement and accept donations in the easiest way. We've compiled common types of donation requests, plus carefully crafted templates that your team can use to jumpstart your outreach. Try our free donation request letter templates! Download our standard template or check out our example letters for events, auctions, schools, and more. Registration Statement for Charitable Organizations.