HANNA WILBERG is an Associate Professor at the University of Auckland. Her main research areas are administrative law and the tort liability of public authorities. Her publications include Wilberg and Elliott (eds) The Scope and Intensity of Substantive Review (Hart, 2015). She has twice won the NZ Legal Research Foundation's annual best article award, most recently for a chapter entitled ''Interpretive Presumptions Assessed against Legislators' Understanding'' in Elliott, Varuhas and Wilson-Stark (eds), The Unity of Public Law? (Hart, 2018) 193.