Learn about how to obtain an extension for filing an inheritance tax return, filing fees, and where and when to file and pay the tax. Understand what you need to do to file an estate income tax return and how to get an Employee Identification Number.There is no Pennsylvania estate tax. However the federal estate tax still applies to estates over a certain value. We maintain yearly records on over 550 thousand parcels. Identify assets, open estate account. 6. Prioritize Debts. 7.