To clarify, in previous instances where it's been operating in that fashion, with the view that it's effectively an implicit procedure within the act, it's also been in cases of parliamentary privilege. There have not been consultations based on, “Oh, we think there are confidentiality issues”, or “They're not picking up privacy or other issues”; it is clearly that there have been instances, apart from the Auditor General situation, where consultation relating to parliamentary privilege has been brought up.
On December 6th, 2012. See this statement in context.