UCC Article 3 is a part of the Uniform Commercial Code that governs negotiable instruments, which are written documents promising payment to a specified person or the bearer. Common examples include checks, promissory notes, and drafts. This article outlines the requirements for creating, transferring, and enforcing these instruments, ensuring clarity and consistency in commercial transactions. The article also addresses the rights and responsibilities of parties involved in these instruments, such as holders and endorsers. It provides rules for how these instruments can be negotiated, including the necessary endorsements and the impact of dishonor, helping to facilitate smooth financial exchanges.