South Dakota Codified Laws
Chapter 02 - Suretyship
Section 56-2-9 - Surety exonerated by performance or offer of performance.

56-2-9. Surety exonerated by performance or offer of performance.
A surety is exonerated by performance of the principal obligation or tender of such performance duly made as provided in this code.

Source: SDC 1939, ยง26.0205 (2).