Indiana Code Title 35. Criminal Law and Procedure § 35-34-2-5

Sec. 5. (a) A subpoena duces tecum or subpoena ad testificandum summoning a witness to appear before the grand jury shall be issued by the clerk upon the request of the grand jury or prosecuting attorney.  The subpoena must contain a statement of the general nature of the grand jury inquiry.

(b) If the subpoena is issued to a target, the subpoena shall also contain a statement informing the target that:

(c) If a witness fails to appear at the time and place stated in the subpoena, the court may hold him in contempt of court, unless he had filed a motion to quash the subpoena and the motion has been granted or was pending at the time he was to have appeared.