Mass. Gen. Laws ch. 149, § 139: Lockers and clothes receptacles of employees; violation of statute

Section 139. In any mercantile or manufacturing establishment or hotel or railroad where the nature of the work renders it necessary for any or all employees, before beginning work, to make a substantially complete change of clothing, exclusive of underclothing, separate lockers, closets or other receptacles, each with a lock and key, shall be provided for the use of such employees. Whoever violates this section shall be punished by a fine of not less than five nor more than twenty dollars.