This report investigates the legal and regulatory frameworks governing the Commonwealth Bank of Australia (CBA). It examines the impact of various legislative frameworks, including taxation policies and economic regulations, on the bank's operations. The report analyzes the influence of treaties and conventions, particularly free trade agreements with countries like China and the United States, on CBA's products and services, highlighting the implications for international expansion and market strategies. It also addresses the bank's compliance with regulatory bodies, such as the Australian Taxation Office (ATO), and how these frameworks shape its business practices, including risk management and transparency. The report discusses how these frameworks impact the bank's ability to offer services and products in different regions and its overall financial performance. The analysis covers various aspects of the CBA's operations, including tax compliance, international trade, and the effects of trade agreements on its business strategies and product portfolio. The report concludes with an overview of the implications of the legislative and regulatory environment on the Commonwealth Bank's global presence and financial performance.