958 CMR, § 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 Provider or Payer 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. Nonpublic information and documents shall not include information included on the Notice of Material Change form itself, prescribed by and filed with the Commission.
958 CMR, § 7.09