S.D. Codified Laws § 21-2-2 (2026)
The detriment caused by the breach of an obligation to pay money only is deemed to be the amount due by the terms of the obligation with interest thereon.
Source: CivC 1877, § 1949; CL 1887, § 4582; RCivC 1903, § 2294; RC 1919, § 1967; SDC 1939 & Supp 1960, § 37.1802.