S.D. Codified Laws § 9-1-4 (2026)
Every municipality must have and use a corporate seal that may be changed by a majority vote of the governing body. Each municipality must have a corporate name. The corporate name must be used when exercising municipal power.
Source: SL 1890, ch 37 , art I, § 6; RPolC 1903, §§ 1175, 1436; SL 1913, ch 119 , § 6; RC 1919, § 6161; SDC 1939, § 45.0106; SL 2024, ch 28 , § 11.