South Dakota Codified Laws
Chapter 04A - Agricultural Contracts
Section 37-4A-4 - Good faith--Damages for violation.

37-4A-4. Good faith--Damages for violation.
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, ยง4.