S.D. Codified Laws § 4-5-38 (2026)
If any part of §§ 4-5-12 to 4-5-39, inclusive, is invalid, all valid parts that are severable from the invalid part remain in effect. If a part of said sections is invalid in one or more of its applications, the part remains in effect in all valid applications that are severable from the invalid applications.
Source: SL 1971, ch 27 , § 28.