I need to send my passport to get my Canadian immigration visa and I am going to Canada from USA in couple of weeks and I also have study permit (because I have been a student there during last couple of years) which I intend to use that to enter Canada and I would like to use my immigration visa at a later time to land there. Do you think that this is possible? The thing that I tell to the immigration officer that I want to use my immigration visa later and use my study permit now. Thanks for your help.