Running a national set of rules has so many benefits, it allows you to travel if you want knowing that your stuff is legal . It also gives you the ability to see how equipment performs in other areas within the same set of rules. Point being if all the Bilands were run localy in Colorado like the ones that were ILLEGAL in Vegas then they would look pretty quick at home, and no one would know the difference, NOW they do. It has many benefits to keep things in check and make intelligent decisions about the sport we love.