Our role is to provide advice to MPs and to public office holders. We do not discuss in any way, shape or form the advice we've given them with the media or with members of the public. The only body to which I have to defend my advice and my decisions is Parliament itself, and maybe the Federal Court of Appeal, if somebody seeks judicial review. That's it.
We don't have to justify, and we basically are barred from revealing any information, without which it's impossible to understand the advice anyway.