Jolly, that means that if you are caught jaywalking and have AP on your person, you get an increased penalty. If AP is defined by a performance standard, that's about any centerfire rifle ammo.
Of course if you commit a real crime with it, the guy will be just as dead if you shoot him with real AP or with normal FMJ or most standard hunting ammo. In fact if I had to be shot, I'd rather be shot with real AP (or FMJ) than most hunting ammo. I'd be likley to live that way, and my injuries would probably not be as severe. (Not as true for .223 and other really high velocity boat tailed bullets, which tend to yaw and do about as much damage as expanding hunting type ammo would)