Massachusetts Criminal Procedure Rule 4: Form and Contents of Complaint or Indictment; Amendment
(Applicable to District Court and Superior Court)
(a) Contents of Indictment or Complaint. An indictment and a complaint shall contain a caption as provided by law, together with a plain, concise description of the act which constitutes the crime or an appropriate legal term descriptive thereof.
(b) Subscription of Application for Issuance of Process. An application for issuance of process may be subscribed by the arresting officer, the police chief, or any police officer within the jurisdiction of a crime, a prosecutor, or a private person.
(c) Indictment Based Upon Secondary Evidence. An indictment shall not be dismissed on the grounds that the evidence presented before the grand jury consisted in whole or in part of the record from the defendant's probable cause hearing or that other hearsay evidence was presented before the grand jury.
(d) Amendment. Upon his own motion or the written motion of either party, a judge may allow amendment of the form of a complaint or indictment if such amendment would not prejudice the defendant or the Commonwealth.