I think you do make the rules- that is to say, make them up. Even if you are a police officer, you have absolutely no right or authority to arrest me for standing, and should you dare lay a finger on me, my sword will find its way to your heart.

... Barring that, I will bury you with enough legal trouble to ruin whatever life you may have in this place.

Now, let me go into this shop,, and let me buy that toy hawk.