I definetly agree with your last statement, funny how the law is sometimes, but it's certainly open to some interpretation by a judge. You are also correct that an issue with the reciept could cause problems, but I hope that something like that could be sorted out without getting a judge involved, but you never know. Truth be told I've yet to transport a patient that has had a concealed weapon on their person. There are just not that many of us in the state. I was simply informing on our policy should we encounter it.
It brings up an interesting discussion, what happens if we are transporting a person to the trauma center after a bad accident where they are unconscious and as we assess for injuries we find a firearm on them? This is what I was answering when I said, call ahead to dispatch, secure firearm in unit until you reach the hospital and can secure it to a LEO.