you travel through land borders in a private car you don't require a PR card...that is the law. I have not seen one person on this forum say that he was pulled aside at a POE for not meeting residency requirement... except for one person that actually told the officer that he didn't meet the requirement. If you see one please post in your reply. As a matter of fact, when you travel through land borders in a private car you don't require a PR card...that is the law. I have definitely seen a couple of people say that this happened to them or somebody in their family but I can not be bothered to go back to the search and look for those posts.  One of them was a woman who was trying to keep it by travelling to Canada regularly and surely she did not volunteer the information that she didn't meet the residency requirements but at some point, they told her that they didn't believe she is living in Canada and gave her an RQ to fill out.  Another one was somebody's son who was studying overseas and they actually took his PR card from him.  I don't even think they are allowed to do that and I think he hadn't even lost his PR yet because he could still meet the residency requirements although it was close.  I know a woman personally where the IO wanted to take her PR card away but she refused to