If we reflect back, you would have seen some minor small orders towards the end of January or early February. As for the first big order, a collaborative one with the provinces—this is where the Public Health Agency came in with a big order that involved multiple provinces—it was March 10 or March 11, and that would have been done after several weeks of consultation among the various health authorities in the provinces, territories and the federal government.
On April 24th, 2020. See this statement in context.