hi,i'm working as a live-in caregiver with the valid working permit.i am planning to go to my country for my vacation.i have multiple visa re entry in canada but it was on my old passport.i have renewed my passport already.i emailed cic,and advised to get a new visa,then i phoned the call center cic,and advised me not to get a new visa instead i have to bring my old passport,with the new one and show this to immigration officer in coming back here to canada..its confusing..i really need your advise pls..thank you so much.