Massachusetts Rules of Criminal Procedure Ch. RCRP Rule 32

(a) Service: When Required. Written motions other than those which are heard ex parte, written notices, and similar papers shall be served upon each of the parties.

(b) Service: How Made. Whenever under these rules or by order of court service is required or permitted to be made upon a party represented by an attorney, service shall be made upon the attorney, unless service upon the party himself is ordered by the court. Service upon the attorney or upon a party shall be made in the manner provided for in civil actions.

(c) Notice of Orders and Judgments. If upon the entry of a judgment or order made on a written motion either or both of the parties are not present in court, the clerk shall immediately mail to the absent party or parties a notice of that entry and shall record the mailing in the docket.

(d) Filing. Papers required to be served shall be filed with the court. Papers shall be filed in the manner provided for in civil actions.

(e) Additional Time After Service by Mail. Whenever a party has the right or is required to do an act within a prescribed period after the service of a notice or other paper upon him and the notice or other paper is served upon him by mail, three days shall be added to the prescribed period.

(f) Protection of Personal Identifying Information. Publicly accessible documents filed with the court shall conform to Supreme Judicial Court Rule 1:24, Protection of Personal Identifying Information in Publicly Accessible Court Documents.