S.D. Codified Laws § 43-3-6 : — PROPERTYPRESENT AND FUTURE INTERESTS IN PROPERTY —3-6 - Mere possibility does not constitute an interest in property TEXT PDF A mere possibility, such as the expectancy of an heir apparent, is not deemed an interest of any kind. SDCL 43-3-6 CivC 1877, § 192; CL 1887, § 2708; RCivC 1903, § 215; RC 1919, § 285; SDC 1939, § 51.0222.