Haw. Rev. Stat. § 431:2D-114: Data calls.

Whether through market analysis, market conduct action, or in response to another regulatory request, any information provided in response to a data call from the commissioner or the commissioner's designee, shall be treated as confidential and privileged. It shall not be subject to subpoena and shall not be subject to discovery or admissible in evidence in any private civil action. No waiver of privilege or confidentiality shall occur as a result of responding to a data call.