This report, part of a trilogy on reporting disclosures, focuses on corporate governance by the ASX Top 50 companies. The report analyzes disclosures related to corporate governance, highlighting the strengths and weaknesses of Australian companies' reporting on this issue. The research methodology involved evaluating criteria indicators and comparing the results to the ASX Corporate Governance Principles and Recommendations and the Global Reporting Initiative G3 Guidelines. The report recommends improvements for future reporting on corporate governance and sustainability.