My mom got a V1 multiple entry visa expiring in 2.5 years but the maximum stay for every time she enters Canada is 6months. Now it's almost 5 months she is in Canada and there is no way she can travel to far because of health condition. I can "drive" her to U.S. (with a US visa, she has one) and re-enter Canada. Will it satisfy the maximum 6months stay rule? Or does she need to go back to her home country and re-enter to satisfy the maximum 6months stay? Thanks for your prompt reply.