Learn how to create customized tax deduction letter for your church - with the help of 2 FREE samples and steps on how Donorbox can help! The main purpose of this letter is to acknowledge a one-time gift or donation made to the church.Keep a record of any items you donate to a charity. We've created this stepbystep guide on everything you need to know about creating a donation receipt letter for tax purposes. Exemption applications must be filed with your local assessor's office. See our Municipal Profiles for your local assessor's mailing address. Sign up online or download and mail in your application. Vaccinate NY. Get the facts about the COVID-19 vaccine. Please don't throw out unused school supplies — donate them.