S.D. Codified Laws § 58-5-144
Any report obtained by or disclosed to the director pursuant to §§ 58-5-143 to 58-5-153, inclusive, shall be given confidential treatment and may not be subject to subpoena and may not be made public by the director, the National Association of Insurance Commissioners, or any other person, except to insurance departments of other states, without the prior written consent of the insurer to which it pertains unless the director, after giving the insurer who would be affected thereby, notice and an opportunity to be heard, determines that the interest of policyholders, shareholders, or the public will be served by the publication of the report, in which event the director may publish all or any part of the report in such manner as the director considers appropriate.
SDCL 58-5-144