Mass. Gen. Laws ch. 43 § 107
Neither the city council nor any of its committees or members shall direct or request the appointment of any person to, or his removal from, office by the city manager or any of his subordinates, or in any manner take part in the appointment or removal of officers and employees in that portion of the service of said city for whose administration the city manager is responsible. Except for the purpose of inquiry, the city council and its members shall deal with that portion of the service of the city as aforesaid solely through the city manager, and neither the city council nor any member thereof shall give orders to any subordinate of the city manager either publicly or privately. Any member of the city council who violates, or participates in the violation of, any provision of this section shall be punished by a fine of not more than five hundred dollars or by imprisonment for not more than six months, or both, and upon final conviction thereof his office in the city council shall thereby be vacated and he shall never again be eligible for any office or position, elective or otherwise, in the service of the city.
Mass. Gen. Laws ch. 43, § 107