Unless displaced by the provisions of this Act, 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. [ 1985, c. 641, §3 (NEW).]
1985, c. 641, § 3 (NEW) .