The Canada Revenue Agency
The Canada Revenue Agency (CRA) is responsible for the administration of tax laws for the Government of Canada, and for most provinces and territories. www.cra-arc.gc.ca/menu-e.html
Finance Canada
The federal Department of Finance is responsible for the development of federal fiscal policy, including laws affecting federal taxes, financial institutions and markets, and federal-provincial transfer payments. www.fin.gc.ca/fin-eng.html