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.
Damages for breach of obligation to pay money
SDCL § 21-2-2 — under DAMAGES FOR BREACH OF CONTRACT.
SDCL § 21-2-2