Mass. Gen. Laws ch. 152, § 52C
(e) The commissioner shall, at least once in five years, make or cause to be made an examination of each rating organization licensed in this commonwealth as provided in this section. The reasonable cost of any such examination shall be paid by the rating organization examined upon presentation to it of a detailed account of such costs. The officers, manager, agents and employees of such rating organization may be examined at any time under oath and shall exhibit all books, records, accounts, documents or agreements governing its method of operation.
The commissioner shall furnish two copies of the examination report to the organization, group or association examined and shall notify such organization, group or association that it may, within twenty days thereafter, request a hearing on said report or on any facts or recommendations therein. Before filing any such report for public inspection, the commissioner shall grant a hearing to the organization, group or association examined. The commissioner may withhold the report of any such examination from public inspection for such time as he may deem proper.
Notwithstanding any other provision of the General Laws, including clause Twenty-sixth of section 7 of chapter 4 and chapter 66, documents, materials or other information, including but not limited to, all working papers and copies thereof created, produced or obtained by or disclosed to the commissioner or any other person in the course of an examination made pursuant to this subsection or in the course of analysis by the commissioner of the financial condition or market conduct of a rating organization shall be confidential by law and privileged, shall not be a public record under said clause Twenty-sixth, shall not be subject to subpoena and shall not be subject to discovery or admissible in evidence in any private civil action. The commissioner may use the documents, materials or other information in the furtherance of any regulatory or legal action brought as part of the commissioner's official duties.
Documents, materials or other information, including but not limited to, all working papers and copies thereof in the possession or control of the National Association of Insurance Commissioners and its affiliates and subsidiaries shall be confidential by law and privileged, shall not be subject to subpoena and shall not be subject to discovery or admissible in evidence in any private civil action if they are:
(ii) disclosed to the National Association of Insurance Commissioners and its affiliates and subsidiaries pursuant to this subsection by any member of the National Association of Insurance Commissioners.
(iii) may enter into agreements governing sharing and use of information consistent with this subsection.
No waiver of any applicable privilege or claim of confidentiality in the documents, materials or information shall occur as a result of disclosure to the commissioner under this subsection or as a result of sharing as authorized in this subsection.
A privilege established under the law of any state or jurisdiction that is substantially similar to the privilege established under this subsection shall be available and enforced in any proceeding in, and in any court of the commonwealth.
Neither the commissioner nor any person who received the documents, material or other information while acting under the authority of the commissioner, including the National Association of Insurance Commissioners and its affiliates and subsidiaries, shall be permitted to testify in any private civil action concerning any confidential documents, materials or information subject to this subsection.
In order to assist in the performance of the commissioner's duties, the commissioner: