South Dakota Codified Laws
Chapter 23 - Partition Fences
Section 43-23-3 - Fence agreed to by owners of adjoining land is legal fence.

43-23-3. Fence agreed to by owners of adjoining land is legal fence.
Any fence upon which owners of such adjoining lands may agree, shall be a legal fence.

Source: SL 1909, ch 197, §3; RC 1919, §10533; SDC 1939, §19.0103 (1); SL 1949, ch 79.