Include the nonprofit's EIN so the the donor can to check the charity's tax-exempt status with the IRS. 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 IRS provides clear and simple directions for donors in the US on how to claim taxdeductions for charitable giving. Here's what nonprofits need to know. Everything your nonprofit needs to know about Donation Receipts: When to issue, what to include, how to automate the process. Learn the best practices! In many cases, charitable donations are tax-deductible. When you donate to a qualifying organization, you can deduct the amount from your taxable income. The filing deadline hasn't passed yet. Think this result is a mistake or have questions?