Originally Posted by
madraida
I'm in Canada on a study permit. My study permit is valid (extended) but I didn't have my visa renewed because CIC's (Citizenship and Immigration Canada) rule on it is we don't have to get a new visa if we are only travelling to the US as long as we have a valid study permit.
...and as long as you are returning to Canada by the end of the period initially authorized for your stay or any extension to it.