53-6-6. Illegality of consideration, effect.
If any part of a single consideration for one or more objects or of several considerations for a single object is unlawful, the entire contract is void.
Source: CivC 1877, §909; CL 1887, §3533; RCivC 1903, §1227; RC 1919, §842; SDC 1939, §10.0504.