Mass. R. Sup. Ct. 17
(Applicable to all cases)
No person shall use or have in his possession or under his control in the chambers or lobby of a justice or justices of the court, or in any courtroom or other place provided for a hearing or proceeding of any kind on any action or matter pending before the court, or before any master, arbitrator, or any other person appointed by the court, any mechanical, electronic or other device, equipment, appliance or apparatus for recording, registering or otherwise reproducing sounds or voices, unless prior authorization for such use or possession is granted by the justice then having immediate supervision of such courtroom or other place. All recordings or transmissions must comply with Rule 1:19 of the Supreme Judicial Court ("Electronic Access to the Courts").
Mass. R. Sup. Ct. 17