sorry bro..i would partially disagree..Konan1982 said:dude, you never know what they are gonna ask, the safest is to get Passport Request and after it is all good
http://www.canadavisa.com/canada-immigration-discussion-board/on-pnpreference-letter-needed-for-verificationafter-ppr-t228593.0.html
so u never know whats going on there..