S.D. Codified Laws § 40-28-3
Current with legislation signed by the governor on or before 3/6/2024
For the purpose of §§ 40-28-1 and 40-28-2 the term "running at large" shall mean intentionally left outside of the inclosure of a legal fence, and off of the lands owned or controlled by the owner of such animal.
SDCL 40-28-3