REV-1313 is an Application for Refund of Pennsylvania Inheritance/Estate Tax. It is used by Pennsylvania residents to claim a refund of inheritance/estate taxes paid to the Commonwealth of Pennsylvania. There are several types of REV-1313 forms, including: Form REV-1313 A — Application for Refund of Inheritance Tax; Form REV-1313 B — Application for Refund of Estate Tax; Form REV-1313 C — Application for Refund of Inheritance Tax and Estate Tax; and Form REV-1313 D — Application for Refund of Inheritance Tax and Estate Tax for Decedents Who Died Prior to August 28, 2016. All forms require information about the decedent, the executor, the estate, and the tax paid to the Commonwealth of Pennsylvania. In addition, Form REV-1313 C and Form REV-1313 D require information about the heirs and beneficiaries of the estate.