South Dakota Codified Laws
Chapter 08 - Present Estates In Real Property
Section 43-8-11 - Right of reentry--Reservation in grant or lease--Three days' previous written notice sufficient.

43-8-11. Right of reentry--Reservation in grant or lease--Three days' previous written notice sufficient.
Whenever the right of reentry is given to a grantor or lessor in any grant or lease, or otherwise, such reentry may be made any time after the right has accrued, upon three days' previous written notice of intention to reenter, served in the mode prescribed by §43-8-9.

Source: CivC 1877, §242; CL 1887, §2758; RCivC 1903, §265; RC 1919, §335; SDC 1939, §51.0504.