South Dakota Codified Laws
Chapter 08 - Present Estates In Real Property
Section 43-8-10 - Estate at will--Termination by notice--Reentry by landlord or action for possession.

43-8-10. Estate at will--Termination by notice--Reentry by landlord or action for possession.
After the notice prescribed by §§43-8-8 and 43-8-9 has been served in the manner therein directed, and the period specified by such notice has expired, but not before, the landlord may reenter or proceed according to law to recover possession.

Source: CivC 1877, §241; CL 1887, §2757; RCivC 1903, §264; RC 1919, §334; SDC 1939, §51.0503.