IC 37-2-1-2: Supplementary general principles of law applicable

Sec. 2. Unless displaced by the particular provisions of this article, the Uniform Commercial Code (IC 26-1) and the principles of law and equity (including the law relative to capacity to contract, principal and agent, estoppel, fraud, misrepresentation, duress, coercion, mistake, bankruptcy, or other validating or invalidating cause) shall supplement the provisions of this article.