South Dakota Codified Laws
Chapter 08A - Uniform Fraudulent Transfer Act
Section 54-8A-10 - Supplementary provisions.

54-8A-10. Supplementary provisions.
Unless displaced by the provisions of this chapter, the principles of law and equity, including the law merchant and the law relating to principal and agent, estoppel, laches, fraud, misrepresentation, duress, coercion, mistake, insolvency, or other validating or invalidating cause, supplement its provisions.

Source: SL 1987, ch 365, ยง10.