Sometime ago, I received a call from someone asking if his mother who has been granted a single-entry visa to Canada can go to the US and then return to Canada using the same visa. He was also wondering whether the extension of her mother’s stay as a visitor beyond six months will be adequate to allow her to travel to the US for a few days and then re-enter Canada. The answer is yes. However, this seems to be a common source of bewilderment for many. I believe that the confusion partly arises from the failure to realize the crucial distinctions between the various types of immigration documents. So I will try to explain some of these distinctions below. Temporary Resident Visa (TRV) Under Canadian immigration law, the document issued to allow a person (from a non-visa exempt country such as the Philippines) to enter Canada is called a temporary resident visa or a TRV. This is the document that is stuck on a page of one’s passport. The TRV could be issued f