Mass. Gen. Laws ch. 111, § 146

Orders of prohibition issued under section one hundred and forty-three shall be served by an officer qualified to serve civil process upon the occupant or person having charge of the premises where such trade or employment is exercised, and the board shall take all necessary measures to prevent such exercise. Whoever refuses or neglects for twenty-four hours thereafter to obey the same shall forfeit not less than fifty nor more than five hundred dollars.