I find these changes came without any consultation, and they're eliminating the ability of the insurance for mortgage refinances. That's a big part of the business, so it structurally changes the lending industry from a model where Canadians have choice, to where they are further concentrating the lending business back to the D-SIBs, which is a significant change, a big structural change.
On February 1st, 2017. See this statement in context.