Yes, it was possible because key for us at the CRA is also the integrity of the system. Yes, we need to be timely and to serve the needs of Canadians, but we have to be concerned about the integrity in the system. We did have some prepayment controls up front, and we actually changed them over time, reflecting what we were seeing out there. We had an opportunity to improve them, and we did. At one point in the year, we got tax data from the previous year. That allowed us to go and check the tax information. That was in about July, I think, of that year.
It wasn't like we had it in March 2020 and then didn't do anything with it. We evolved it and improved it somewhat. I mean, there still were gaps, and the Auditor General is absolutely right that it wasn't a perfect prepayment system, but we did—