YES, I would like to contribute to the CCE of Suffolk. In this post, I'm breaking down how to write a donation letter.Send or deliver this form. Fill out the form below and send it to your county's address on the back of this form, or take this form to the office of your County. This document provides a sample format for a letter acknowledging an in-kind contribution or donation. If you have received a letter asking for an online signature from you in order to vote DO NOT reply. Instead. Please respond now and make your gift today! This step-by-step guide will help you fill out the donation tax receipt and get things in order for tax season. In this article, we'll cover how to write a donation letter. Use one of our six sample donation request letter templates to get started.