A Pennsylvania 9. Subpoena — Produce is a legal document issued by a court or other government entity to compel a person or business to produce documents or other items for use in a judicial or administrative proceeding. There are two types of Pennsylvania 9. Subpoena — Produce: one issued by a court to compel a person or business to produce documents or other items, and one issued by a government agency to compel a person or business to produce documents or other items. The first type of Pennsylvania 9. Subpoena — Produce is issued to a person or business to produce documents or other items requested by a party to a lawsuit. The second type of Pennsylvania 9. Subpoena — Produce is issued by a government agency to compel a person or business to produce documents or other items related to an investigation or inquiry conducted by the agency.