and also u may read this. its 4 business visitor. mite hold true for other types of visa too
Do I have to submit my passport with my application for a temporary resident visa?
Yes. However, the visa office where you apply may have certain instructions on how and where to submit your passport and how to get your visa. Please consult the website of the visa office where you are applying. If you will need your passport for other travel while your application is being processed, inform the visa office and they will let you know what to do.
Source : http://www.cic.gc.ca/english/information/faq/visit/busvisit-faq12.asp
Do I have to submit my passport with my application for a temporary resident visa?
Yes. However, the visa office where you apply may have certain instructions on how and where to submit your passport and how to get your visa. Please consult the website of the visa office where you are applying. If you will need your passport for other travel while your application is being processed, inform the visa office and they will let you know what to do.
Source : http://www.cic.gc.ca/english/information/faq/visit/busvisit-faq12.asp