"In Australia, and Canada, and the European Union, and the United States, it has been identified as a black swan, but New Zealand identifies it as a white swan, but it's the same bird," Hodder said.
"There's something wrong going on - there's something odd. We say that whether or not the swan is black is an objective fact, not a matter of discretion, and that's where the debate between us in part will be."
"The analysis is being challenged, and the investigation," Hodder said. "What steps did they take to establish what colour the swan was - I don't want to torture this metaphor too far - and show the good sound reasons that justify why we found a white swan when the rest of the common law world is finding black swans."
Hodder said that over the 20th and 21st centuries there has been a movement in public law from a culture of authority to a culture of justification, meaning the government has to be able to justify its use of public power, whereas in the past it was able to claim authority without question.
NZ Steel wants the court to quash the decision and have it be reconsidered by going back and re-investigating the matter. The hearing, before Justice Jillian Mallon, is set down for the rest of the week.