S.D. Codified Laws § 43-18-1 (2026)
No survey of land or plat subdivision shall be legal unless made by a registered land surveyor.
Source: SL 1893, ch 157 , § 11; RPolC 1903, § 133; RC 1919, § 8202; SDC 1939, § 18.0201; SL 1970, ch 214 , § 39.