A donor acknowledgement letter should include a few specific items to assist the donor and help your organization comply with IRS regulations. Please keep this written acknowledgement of your donation for your tax records.This step-by-step guide will help you fill out the donation tax receipt and get things in order for tax season. Giving receipts is an important practice since 501(c)(3) donations are tax-deductible to the donor. Our sample form provides an easy way to get started. What do you need to include in your donation acknowledgment letter? This publication explains how individuals claim a deduction for charitable contributions. Learn how to easily create your donation receipts and the best practices to follow in writing a great one. Sure to fill out all the fields on the event form. Donor-advised funds (DAFs) are conduits for charitable giving that support immediate tax deductions while creating a reservoir of assets for.