Seems fairly simple, it doesn't look like it would do anything to allow daggers or auto knives, but would cancel out city ordinances, so at least it makes things a bit more simple.
http://www.kniferights.org/index.php?option=com_content&task=view&id=245&Itemid=1
http://www.kniferights.org/index.php?option=com_content&task=view&id=245&Itemid=1