Massachusetts Uniform Rules on Impoundment Procedure Rule 4: Notice
Service of the motion for impoundment and affidavit shall be made on all parties in accordance with Rule 5 of the Massachusetts Rules of Civil Procedure. In the event an order of impoundment is sought at the time of, or prior to, service of the original complaint, service shall be made in accordance with Rule 4 of the Massachusetts Rules of Civil Procedure. The time periods for hearing shall be as set forth in Rule 6 of the Massachusetts Rules of Civil Procedure.
The court may, prior to hearing, order notice to be given to interested third persons who may not be parties to the action, including persons named in the material sought to be impounded. Notice to such interested third persons shall be given in such manner as the court may direct.
Service shall be proved by affidavit containing a particular statement thereof, including the names and addresses of all parties and interested third persons who have been given notice.