S.D. Codified Laws § 43-11-40 (2026)
A married woman may execute a power during her marriage without the concurrence of her husband unless otherwise prescribed by the terms of the power.
Source: CivC 1877, § 315; CL 1887, § 2831; RCivC 1903, § 338; RC 1919, § 407; SDC 1939, § 59.0420.