Just to echo Mr. Page's comments, we received information in some cases that was classified, from a security point of view. We knew how to handle it, and we're fortunate to say that in our five years we didn't have a leak of such information.
It is about establishing appropriate protocols. I don't think in our time in the parliamentary budget office we were ever asking for information that was classified. There might be a debate as to whether something is a cabinet confidence, and there are protocols for that. You could ask the clerk to certify that something is a cabinet confidence. There are, then, ways to escalate.
To reflect back upon your question concerning the Federal Court, hopefully it never comes to it, but if there is recourse, the incentives for actors within the system are likely to be a little more positive towards sharing of information than if everyone knows that at the end of the day there is no recourse for the PBO. That may be one way to look at this issue of Federal Court recourse, that it's hopefully rare. If you get to that point, you're dealing with a pretty serious issue, and I imagine that by then parliamentarians are probably quite exercised about it anyway.