Fortunately, the Minnesota carry law is written so as not to entrap anyone who is permitted to carry.
This link is an example,
I could not paste the wording because of the strikeouts.
Minnesota law is hard to read because of the re-wording for the changes made in 2005. But anyway we are not held the same as someone without a carry permit if we find ourselves in a restricted area.
But we are not recognized on any federal property. We will be prosecuted like everyone else.
The 5th would be my position.