How To Write A Request Letter For Charity . Use the charity organization's official letterhead and make sure it includes the organization's logo, name, address, phone number and website. Make sure you include the date and the recipient's full address. Donation Request Letter 8+ Free Download for Word from www.sampletemplates.com How to write a donation request letter sample donation request letter for nonprofits. I have a own a small hardware business in new york that i wish to expand. Now that you’ve set the stage, it’s time to make your ask.