S.D. Codified Laws § 53-11-4

Current with legislation signed by the governor on or before 3/6/2024
Section 53-11-4 - Prompt action by party rescinding on discovery of duress, undue influence, or disability

The party rescinding a contract must rescind promptly, upon discovering the facts which entitle him to rescind, if he is free from duress, undue influence, or disability, and is aware of his right to rescind.

SDCL 53-11-4

CivC 1877, § 967, subdiv 1; CL 1887, § 3591, subdiv 1; RCivC 1903, § 1285, subdiv 1; RC 1919, § 906 (1); SDC 1939, § 10.0804 (1).