An organization that is not required to file a full IRS 990 return must file a Pennsylvania Public Disclosure Form BCO-23. Learn how to apply for non-profit sales tax exemption in Pennsylvania and fill out the form to get started.Apply Online with myPATH (opens in a new tab). With DonorPerfect, you can record inkind donations and include them in your endofyear tax letters in a flash. Download Pennsylvania 501(c)(3) Donation Receipt template, modify and send for signing using BoloForms Signature. Hi Paulette, Typically, you only need to provide Form W-9 upon request. If just confirms your tax id number. This guide covers the required filings to maintain a nonprofit corporation in Pennsylvania. The Charitable Trusts and Organizations Section protects the public's interest in all property committed to charitable purposes. It's required that nonprofits report inkind donations separately within their financial statements.