A Pennsylvania Subpoena Ducks Cecum is a legal document issued by a court that requires a person or entity to produce documents or other tangible evidence for use as evidence in a civil or criminal trial. The person or entity receiving the subpoena must provide the documents to the court or parties to the case within the timeframe specified in the document. There are two types of Pennsylvania Subpoena Ducks Cecum: a civil subpoena and a criminal subpoena. A civil subpoena is issued by a court in the context of a civil case, such as a contract dispute or personal injury claim. A criminal subpoena is issued in the context of a criminal investigation or trial. In either situation, the recipient of the subpoena must comply and provide the requested documents or evidence to the court or parties to the case.