950 CMR, § 105.12
A foreign professional corporations must register pursuant to M.G.L. c. 156A, § 17 if it will maintain an office in the Commonwealth, or if any of its shareholders, officers, or directors conduct activity on behalf of the corporation in the commonwealth as to require licensing under the provisions of M.G.L. c. 112 or M.G.L. c. 221.
A foreign professional corporation shall register to practice in the Commonwealth by filing a foreign corporation certificate; a certificate of legal existence issued by the state of incorporation dated within 60 days; and an exhibit to the foreign corporation certificate. The exhibit shall contain a description of the professional services to be rendered in the Commonwealth, the names and residential addresses of all directors, officers and shareholders, designations of which of them will render professional services in the Commonwealth, and a statement that a majority of the directors and all of the officers, (except the treasurer, clerk, secretary and any assistant treasurer, assistant clerk and assistant secretary) are natural persons who are licensed in a state or territory of the United States or the District of Columbia to render a professional service authorized by the corporation's articles of organization, and that all of the shareholders are such persons, or professional corporations authorized to render professional services. The certificate of qualification shall be accompanied by a certificate of the appropriate regulating body that all of the persons who will render professional services in the Commonwealth are licensed to do so.
950 CMR, § 105.12