Throwing Flags on Coaches

[Bob Mc]

, "Oh, by the way, we don't throw flags on coaches." Or, "I am the only one that can throw a flag on a coach."

So my questions would be...what do these guys do on any of the other penalties that are possible in the game? Do they pick the ones only they can flag? Do they assign penalties in the pre-game? "Okay in tonights game U why don't you take care of all the holding calls, I as R will handle all PI calls, LJ you get PSK...and I don't want to see anybody calling things their not assigned."

Yes, one has to use discretion on flagging a coach, but I have yet to see anything--except here--that says only white hat can flag coach.