A justice of the peace, upon receipt of a certificate of the clerk of a court of record in the state of Maine or in a state adjoining this commonwealth that a criminal prosecution is pending in such court, and that a resident of the commonwealth is supposed to be a material witness therein, shall issue a summons requiring such witness to appear and testify at the court in which such case is pending.
Mass. Gen. Laws ch. 233, § 12
Summons for attendance at criminal trial outside state
Official source: Massachusetts Legislature. Reproduced from public-domain Massachusetts statutes; confirm against the official source for the current text. Not legal advice.