This document covers the principles and practices of accounting for special transactions, specifically focusing on bills of exchange and promissory notes as defined by the Negotiable Instruments Act of 1881. It outlines the definitions, features, and legal requirements of these financial instruments, explaining how they are created, managed, and recorded in accounting. Additionally, it discusses dishonor, renewal, retirement, and the handling of bills in the context of insolvency, along with practical examples and multiple-choice questions for understanding.