S.D. Codified Laws § 58-26-90
Documents, materials, or other information in the possession or control of the Division of Insurance that are considered an actuarial report, workpapers, or actuarial opinion summary provided in support of the opinion, and any other material provided by the company to the director in connection with the actuarial report, workpapers, or actuarial opinion summary, are confidential and privileged, are not subject to § 1-26-2, 1-27-1, or 58-2-26, are not subject to subpoena, and are not subject to discovery or admissible in evidence in any private civil action.
This section does not limit the director's authority to release the documents to the Actuarial Board for Counseling and Discipline (ABCD) so long as the material is required for the purpose of professional disciplinary proceedings and that the ABCD establishes procedures satisfactory to the director for preserving the confidentiality of the documents, nor does this section limit the director's authority to use the documents, materials, or other information in furtherance of any regulatory or legal action brought as part of the director's official duties.
SDCL 58-26-90