As I said in my presentation, when a primary economic immigrant arrives they can bring their spouse and their dependent children, as part of their application. Subsequent to that, if they get married or there's a spouse or dependent children still overseas, they can sponsor them under what's called family class one, FC1, or they can seek to sponsor parents or grandparents. Of course, for each of these categories there are various legal parameters in terms of medical--
On February 17th, 2011. See this statement in context.