If the prisoner is admitted to bail or is committed, the court or justice shall bind by recognizance the material witnesses against the prisoner to appear and testify at the next sitting of the court having jurisdiction of the crime and in which the prisoner is held to answer.
Mass. Gen. Laws ch. 276, § 45
Witnesses bound by recognizance
Official source: Massachusetts Legislature. Reproduced from public-domain Massachusetts statutes; confirm against the official source for the current text. Not legal advice.