If, in an action in the supreme judicial or superior court in which trustee process is used, all the persons named in the summons as trustees dwell or have usual places of business in one county, the action shall be brought in that county; otherwise it may be brought in any county where any one of the trustees dwells or has a usual place of business.
Mass. Gen. Laws ch. 246, § 2
Venue
Official source: Massachusetts Legislature. Reproduced from public-domain Massachusetts statutes; confirm against the official source for the current text. Not legal advice.