Mass. Guid. Evid. 526
This section is derived from G. L. c. 151A, § 46, and Tuper v. North Adams Ambulance Serv., Inc., 428 Mass. 132, 137 (2008) ("Information secured pursuant to [G. L. c. 151A] is confidential, is for the exclusive use and information of the department in the discharge of its duties, is not a public record, and may not be used in any action or proceeding."). A violation of this statute may be punishable as a misdemeanor.