

If you show the person at the border your paper, and they still won’t let you in, it doesn’t matter that you have the paper. It is just that simple. It’s illegal, but when the people who are supposed to be enforcing the laws are the ones breaking them, there isn’t any real recourse short of a popular uprising.
All of mine are casement windows. The taller ones hinge open to one side and the shorter ones hinge open from the bottom.