When Can It Be Waxed?

So if paint takes all this time to cure, how does the factory do it? I don't remember hearing not to wax a new car.
You don't drive the car home the day after it was painted for one thing, and secondly the factory bakes their finishes on significantly higher than we do. Typical body shops look for around 140 degrees METAL temp for a certain amount of time. This time is really enough to get it out of the booth and bring another one in.