I am an April 2012 applicant and my wife and I also from one of the visa exempt countries ...
Biodata & RPRF were requested on Mar. 27th 2013, which I replied to (OttPilot-Immigration @ cic.gc.ca) & (CPPO-Cost-Recovery @ cic.gc.ca) on the same day ...
Since then there were no reply whatsoever till I filed a GCMS note and followed an email inquiry to CIC to get a close look of the case on May 22nd 2013 ...
Finally got a reply on May 27th 2013 from CIC that they in fact sent CoPR on May 6th 2013 through regular mail ...
However, I've never received it to this date nor is my consultant and is now requesting CIC to reissue one ...
Anyhow, the VO who processes you case will send you instructions to indicate specifically whether or not passport is required to send in to receive CoPR ...
Godspeed ...