South Dakota Codified Laws
Chapter 07 - Estates In Real Property
Section 43-7-1 - Duration of enjoyment of estates in real property.

43-7-1. Duration of enjoyment of estates in real property.
Estates in real property, in respect to the duration of their enjoyment are:
(1)Estates of inheritance or perpetual estates;
(2)Estates for life;
(3)Estates for years; or
(4)Estates at will.

Source: CivC 1877, §218; CL 1887, §2734; RCivC 1903, §241; RC 1919, §311; SDC 1939, §51.0402.