Foreign Nationals Can apply for Canadian Temporary Resident Visa (TRV) in order to visit Canada and stay here for upto six months. This could be for a family visit, tourism, business meeting, medical treatment etc.
The duration of TRV is maximum upto ten years. However, this depends on the validity of the passport. Temporary Resident Visas are upto one month before the expiry of the passport.
Foreign National who are visiting Canada on a TRV can stay for upto six months or otherwise mentioned on your passport by the CBSA or CIC staff on airport or Port of Entry.
TRV can be extended to an indefinite number of times while remaining in Canada.
TRV holders are not authorized to work or study in Canada. However, they may take any short course of less than six months duration.