CARLA have a system whereby you can dual reg in your first season but theres nothing in the NCL dual registation about this. The potential upside is when a pro club signs a player and gives them little game time they can still be getting games, every pro club has players they have no real plans for and if this stops the game losing players then that is something. The downside is the issues around accomodating players who are made available but I believe it wont be used much as the vast majority of the NCL teams will stick with the lads who are committed to the club, training and playing.
I guess were going to find out