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.We'll walk you through how to write a donation request letter and share top tools and templates that can help you save time. Exemption applications must be filed with your local assessor's office. See our Municipal Profiles for your local assessor's mailing address. Enter on line 7 any state and local general sales taxes paid on the following specified items. We've created this stepbystep guide on everything you need to know about creating a donation receipt letter for tax purposes. Is a registered 501(c)3 nonprofit organization. Create a Facebook Fundraiser. For this reason, I encourage everyone to fill out an estate planning inventory.