This document discusses negotiable instruments law. It defines negotiable instruments as documents that promise payment to a specified person or assignee. Negotiable instruments serve as substitutes for money and as mediums for credit transactions. Key characteristics include negotiability and the accumulation of secondary contracts as the instrument is transferred. Common forms of negotiable instruments are bills of exchange, promissory notes, and checks. The document outlines rules regarding the form, delivery, negotiation, and construction of negotiable instruments.