S.D. Codified Laws § 43-24-7 (2026)
If any owner of any land neglects or refuses to so erect and maintain one-half of a legal fence on the lines separating his land from adjoining land, the owner of the adjoining land may serve upon such delinquent owner a notice in writing, demanding that the delinquent owner shall erect or repair, as the case may be, a legal fence along one-half of such line, describing it, within thirty days from the date of the service of the notice and demand upon him.
Source: SL 1917, ch 237 , § 4; RC 1919, § 10538; SDC 1939, § 19.0206; SL 1990, ch 350 , § 3.