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
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