An offer of partial performance is of no effect. Source: CivC 1877, § 835; CL 1887, § 3459; RCivC 1903, § 1152; RC 1919, § 759; SDC 1939, § 47.0210.
Offer of partial performance
SDCL § 20-5-2 — under OFFER OF PERFORMANCE OF OBLIGATIONS.
SDCL § 20-5-2