958 C.M.R. 7.09
The Commission shall keep confidential all nonpublic information and documents obtained in connection with a Notice of Material Change or a Cost and Market Impact Review and shall not disclose the information or documents to any person without the consent of the Entity that produced the information or documents, except in a Preliminary Report or Final Report if the Commission believes that such disclosure should be made in the public interest after taking into account any privacy, trade secret or anti-competitive considerations. The confidential information and documents shall not be public records and shall be exempt from disclosure under M.G.L. c. 4, § 7, cl. 26 or M.G.L. c. 66, § 10. Non-public information and documents shall not include information included on the Notice of Material Change form itself, prescribed by and filed with the Commission.