(1) Except as set forth in this section, proceedings, hearings, notices, correspondence, reports, records, and other information in the possession of the commissioner relating to the supervision of any insurer under this chapter are confidential and are not subject to chapter 42.56 RCW, are not subject to subpoena, and are not subject to discovery or admissible in evidence in any private civil action, except as provided by this section. However, the commissioner is authorized to 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.

(2) The employees of the commissioner have access to these proceedings, hearings, notices, correspondence, reports, records, or information as permitted by the commissioner. Neither the commissioner nor any person who received documents, materials, or other information while acting under the authority of the commissioner is permitted or required to testify in any private civil action concerning any confidential documents, materials, or information subject to subsection (1) of this section.

(3) The commissioner may share the notices, correspondence, reports, records, or information with other state, federal, and international regulatory agencies, with the national association of insurance commissioners and its affiliates and subsidiaries, and with state, federal, and international law enforcement authorities, if the commissioner determines that the disclosure is necessary or proper for the enforcement of the laws of this or another state of the United States, and provided that the recipient agrees to maintain the confidentiality of the documents, material, or other information. No waiver of any applicable privilege or claim of confidentiality may occur as a result of the sharing of documents, materials, or other information under this subsection.

(4) The commissioner may open the proceedings or hearings or make public the notices, correspondence, reports, records, or other information if the commissioner deems that it is in the best interest of the public or in the best interest of the insurer or its insureds, creditors, or the general public. However, the determination of whether to disclose any confidential information at the public proceedings or hearings is subject to applicable law.

(5) This section does not apply to hearings, notices, correspondence, reports, records, or other information obtained upon the appointment of a receiver for the insurer by a court of competent jurisdiction.