Mass. Gen. Laws ch. 223, § 8A

Transitory actions by or against the subscribers to a reciprocal or inter-insurance exchange defined in section ninety-four A of chapter one hundred and seventy-five and authorized to transact business in the commonwealth under said chapter may be brought as provided in clause (2) or clause (4) of section eight, as the case may be, and for such purposes the subscribers shall be deemed a company or association.