South Dakota Codified Laws
Chapter 07 - Estates In Real Property
Section 43-7-2 - Classification of estates in real property.

43-7-2. Classification of estates in real property.
Estates of inheritance and for life are called estates of freehold; estates for years are chattels real; and estates at will are chattel interests, but are not liable as such to sale on execution.

Source: CivC 1877, §222; CL 1887, §2738; RCivC 1903, §245; RC 1919, §315; SDC 1939, §51.0403.