Yes, from 2015-16 to 2018-19 is the projection.
Briefly the existing tax policy under the Income Tax Act is to tax Canadian corporations on income earned in offshore jurisdictions where that income comes from property: passive sources. An existing tax rule treated income from the insurance of Canadian risks as part of this foreign accrual property income regime, even if the income from Canadian risks appears to be earned in a controlled foreign affiliate, that is, an offshore subsidiary of a corporation. The transaction targeted by the measure involved controlled foreign affiliates, so offshore subsidiaries of Canadian taxpayers swapping portfolios of Canadian insurance for foreign insurance so that the Canadian insurance income appeared to be earned by a non-resident and to escape Canadian taxation. This measure addresses that transaction.