An Indiana Subpoena For Rule 2004 Examination is a legal document issued by the court or other authorized body to compel a witness to appear in court and give testimony or provide documents for use as evidence in a case. The purpose of a Rule 2004 Examination is to allow a party to the lawsuit to obtain information from a nonparty witness or entity. This type of subpoena is specific to the State of Indiana. There are two types of Indiana Subpoena For Rule 2004 Examination: a Subpoena Ducks Cecum and a Subpoena Ad Testificandum. A Subpoena Ducks Cecum compels a witness or entity to produce documents or other tangible items relevant to the case. A Subpoena Ad Testificandum requires the witness to appear in court to testify or provide information.