South Dakota Codified Laws
Chapter 05 - Offer Of Performance Of Obligations
Section 20-5-2 - Offer of partial performance.

20-5-2. Offer of partial performance.
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.