Globally, financial system regulators are susceptible to deliberate and inadvertent influence by the industry that they oversee and, hence, are also susceptible to acting to benefit the industry rather than the public interest – a phenomenon known as ‘regulatory capture’. Australia, arguably, has an optimal model of financial system regulation (a ‘Twin Peaks’ model) comprising separate regulators for prudential soundness on the one hand, and market conduct and consumer protection on the other. However, the current design of the Twin Peaks model has not been sufficient to prevent and address prolonged and systemic misconduct that culminated in a public Royal Commission of Inquiry into misconduct in the industry. Subsequent to the Royal Commission and other inquiries, the Department of Treasury has proposed legislation to establish an Assessment Authority to assess the effectiveness of the Twin Peaks regulators. The proposal includes enquiries by an Assessment Authority into th