We do have some indications in terms of the scope. I might step back a little bit, though, in terms of the self-assessment system itself.
It certainly is a self-assessment system in Canada, although we do have a number of checks and balances in that self-assessment system to ensure that there is compliance. You mentioned audits. We have third party reporting. We have various verifications of income tax returns as a process. They go through automated validity checks and so forth. We do investigations. So there's a large number of different instruments that we bring to bear on compliance issues. We provide service. We do taxpayer alerts, so that people are aware of potential transactions that perhaps they might want to explore further before they get into them and so forth. We have a registration system for tax shelters. That's the example I was referring to earlier. Any tax shelter in Canada has to come in to the CRA and receive a number.