S.D. Codified Laws § 43-43-2 (2026)
Unless otherwise agreed a product of the mind, in the production of which several persons are jointly concerned, is owned by them as follows:
Source: CivC 1877, § 571; CL 1887, § 3194; RCivC 1903, § 887; RC 1919, § 485; SDC 1939, § 51.0805.