best is to check CIO + VO check list . It has all the answeres.
Also download the OP6 , it clarifies the new process in place
you may also refer few of your doubts at few post going on since last 2 months
http://www.canadavisa.com/canada-immigration-discussion-board/important-need-to-send-all-documents-to-the-cio-now-not-visa-office-t45808.0.html
http://www.canadavisa.com/canada-immigration-discussion-board/applications-after-266-in-any-noc-connect-here-to-get-the-status-t49421.0.html