Mass. Gen. Laws ch. 164, § 113: Use of gas meters not tested, sealed or stamped; penalty

Section 113. A gas company providing a meter for measuring gas supplied to a customer which, if never before used, has not been duly sealed and stamped, or, if opened after being sealed and stamped, has not been again tested, sealed and stamped, shall be punished by a fine of five dollars for every such meter in use, payable to the city or town where the meter is situated.