20-11A-1. Power to contract denied person without understanding--Liabilities for necessaries.
A person entirely without understanding has no power to make a contract of any kind, but he is liable for the reasonable value of things furnished to him necessary for his support or the support of his family.
Source: CivC 1877, §20; CL 1887, §2519; RCivC 1903, §20; RC 1919, §86; SDC 1939, §30.0801; SDCL, §27A-2-1.