S.D. Codified Laws § 37-4A-4 (2026)
There is an implied promise of good faith as defined in subdivision 57A-1-201(19), by all parties to any agricultural contract. In any action to recover damages, if the court or a jury finds that there has been a violation of this provision, in addition to other damages authorized by law, attorney fees may be awarded.
Source: SL 1997, ch 277 , § 4.