That's for transport under the Firearm Owners Protection Act (FOPA). That would apply if you did not have a NJ Firearms Purchaser Identification Card.
Again, what is legal and what a LEO puts you in the back of his car for do not always match up. There are incidents referenced & linked throughout NJGF. The one that sticks in my mind is the young adult in Cherry Hill arrested for having a collapsible stock on a pump shotgun, which is totally legal.
They keep dropping out of the trees in my neighborhood. Not sure why. Little fuckers are all over the place. Oh, and I still have to swing by to pick up some more projectiles. Almost out and can't find them anywhere.
Here's an updated story on the firearm and ammo shortage from the Washington Times.
At this point I don't see either shortage ending for the foreseeable future. Whichever way the election goes it's going to get worse.