S.D. Codified Laws § 58-17-76 (2026)
No carrier may transfer a person involuntarily into or out of a class of business. No carrier may offer to transfer a person into or out of a class of business unless such an offer is made to transfer all persons in the class of business without regard to claim experience or duration of coverage since issue.
Source: SL 1996, ch 286 , § 11.