I'm somewhat sympathetic to this, Mr. Chair, and I wonder if even the Department of Justice would wonder how this might work. Would it be possible that a person, let's just say, was impaired and crashed into a tree somewhere, and knew that all they had to do was just be outside of three hours and they would be exempt from the provisions? That would be one of things I'd worry about. On the other hand, the idea that you could come a day or so later and ask somebody to start taking tests....