N.Y. Debtor & Creditor Law § 280

§ 280. Supplementary provisions. Unless displaced by the provisions of\nthis article, the principles of law and equity, including the law\nmerchant and the law relating to principal and agent, estoppel, laches,\nfraud, misrepresentation, duress, coercion, mistake, insolvency, or\nother validating or invalidating cause, supplement its provisions.\n