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! Nonprofit organizations are eligible for a Real Estate Tax exemption in Philadelphia.The property must be used for the organization's tax-exempt purpose. Below are the donation lines that have been established within Pennsylvania personal income tax law. An organization that is not required to file a full IRS 990 return must file a Pennsylvania Public Disclosure Form BCO-23. Will you get a tax deduction—in other words, will you itemize? The main purpose of this letter is to acknowledge a one-time gift or donation made to the church. This guide covers the required filings to maintain a nonprofit corporation in Pennsylvania. A huge obstacle for me was putting out decent Giving Statements when managing donations through QuickBooks Online. Donate securely online.