Taxpayers who need more time can get an extension to file BIRT and NPT returns. However, there is no extension for BIRT and NPT payments.This gives you until October 15 to file without penalties. We will automatically grant you an extension of time to file up to 60 days from the April due date or the original due date of the NPT return. The Pennsylvania Department of Revenue will grant up to a six-month extension of time for filing a Pennsylvania income tax return upon request. The department offers four ways to request an extension of time to file a Pennsylvania tax return. IRS e-file is the IRS's electronic filing program. First Time PA Filer. The 2020 income tax filing and payment deadline for the IRS and Pennsylvania is May 17, 2021. Yes. Both state Form IT-9 and federal Form 4868 extend your state filing time to Nov. 14.