20-2-2. Impossible or unlawful condition void.A condition in a contract, the fulfillment of which is impossible or unlawful, within the meaning of chapter 53-5 relating to the object of contracts, or which is repugnant to the nature of the interest created by the contract is void. Source: CivC 1877, §811; CL 1887, §3434; RCivC 1903, §1127; RC 1919, §734; SDC 1939, §47.0111.
South Dakota Legal Code