That's along the line of the change to the Canadian auditing standards. Earlier on, a member asked about the differences. One of the differences is that we call it unmodified, because you could have other information being put into that auditor's report that does not change the opinion on the fair presentation. It's not qualifying, but you can modify the report; I can modify the report and still give you a clean opinion.
On December 5th, 2011. See this statement in context.