This document discusses the Articles of Association (AOA) under the Companies Act 2013. It defines the AOA and distinguishes it from the Memorandum of Association (MOA). The AOA contains the internal regulations of a company for management and defines the relationship between the company and its members, while the MOA defines the company's objectives and powers. The document outlines the standard formats and required contents of the AOA. It also discusses important concepts related to the AOA like alteration of articles, limitations on alterations, binding force on members, and exceptions to the doctrine of indoor management.