This document discusses different types of negotiable instruments including cheques, promissory notes, and bills of exchange. It provides definitions and key details about each: - A negotiable instrument is a written order promising to pay a sum of money that is transferable and contains an unconditional promise to pay a fixed amount to the bearer or on demand. - The main types are cheques (drawn on a bank and payable on demand), promissory notes (containing an unconditional undertaking by the maker to pay a certain sum to the payee), and bills of exchange (containing an unconditional order by the drawer to pay a certain sum to the payee). - Each type has standard features like being