There is no Pennsylvania estate tax. However the federal estate tax still applies to estates over a certain value.Download Form REV-1500—Pennsylvania Inheritance Tax Return Resident Decedent. Be sure that you are completing the tax return that says "REV-1500 Inheritance Tax. If the deceased was a Pennsylvania resident, the executor must file a PA Form Rev-1500 on or before nine months after the date of death. The Pennsylvania Inheritance Tax Return is due nine (9) months from the date of Decedent's death. Taxpayers should submit the Federal Form 706 along with the PA Inheritance Tax Return REV-1500 to the County Register of Wills.