Massachusetts General Laws Part I. Administration of the Government (Ch. 1-182) Ch. 148, § 28B

The board shall by rule require, and the head of the fire department shall make such orders or rules not inconsistent therewith, that any person having control of a mercantile, commercial or industrial establishment wherein canine guards are maintained shall notify the head of the fire department of the district, city or town within which such establishment is located of the name, address and telephone number of the person who supplies or controls such canines.