If the person required to file the statement referred to in said subsection (a) is a partnership, limited partnership, syndicate or other group, the commissioner may require that the information called for by clauses (1) to (12), inclusive, shall be given with respect to each partner of such partnership or limited partnership, each member of such syndicate or group, and each person who controls such partner or member. If any such partner, member or person is a corporation or the person required to file the statement referred to in said subsection (a) is a corporation, the commissioner may require that the information called for by said clauses (1) to (12), inclusive, shall be given with respect to such corporation, each officer and director of such corporation, and each person who is directly or indirectly the beneficial owner of more than ten percent of the outstanding voting securities of such corporation. If any material change occurs in the facts set forth in the statement filed with the commissioner and sent to such insurer pursuant to this section, an amendment setting forth such change, together with copies of all documents and other material relevant to such change, shall be filed with the commissioner and sent to such insurer within two business days after the person learns of such change.
Mass. Gen. Laws ch. 175, § 206B