No party shall serve on any other party as of right more than one set of interrogatories, unless the total number of all interrogatories in all sets combined does not exceed thirty; including interrogatories subsidiary or incidental to, or dependent upon, other interrogatories, and however the same may be grouped or combined. The court, on a showing of good cause, or upon agreement of the parties, may allow service of additional interrogatories.
Each interrogatory shall be answered separately and fully in writing under the penalties of perjury, unless it is objected to, in which event the reasons for objection shall be stated in lieu of an answer; each answer or objection shall be preceded by the interrogatory to which it responds. The answers are to be signed by the person making them, and the objections signed by the attorney making them. The party upon whom the interrogatories have been served shall serve the answers and objections, if any, within 30 days after service of the interrogatories, except that a defendant may serve answers or objections within 45 days after service of the summons and complaint upon the defendant. The court may allow a shorter or longer time. The party submitting the interrogatories may move for an order under Rule 37(a) with respect to any objection to or other failure to answer an interrogatory. In addition, for failure to serve timely answers or objections to interrogatories (or further answers, as the case may be), the interrogating party may serve a final request for answers, specifying the failure. All sanctions available to a party under Rule 37 and any other sanction that the court may deem appropriate shall be available to compel compliance with this rule and such sanctions shall be ordered by the court except for good cause shown.
Mass. R. Dom. Rel. P. 33