S.D. Codified Laws § 8-1-1 (2026)
The civil townships heretofore established shall remain as they are, subject to alteration or division as provided in this chapter.
Source: SL 1890, ch 34 , § 3; RPolC 1903, § 992; RC 1919, § 6028; SDC 1939, § 58.0101.