Assistant coach at pre-game conference

[bainsey]

You're the U in a two-man team. The R performs the pre-game conference with coaches and captains. You believe all has gone well.

During the game, another adult on the bench requests a time out. You ignore it. The R grants it. You check with the bench to advise that only the head coach can request a time out, and you're told that the "other guy" is the head coach. It was the assistant at the pre-game. Apparently, your partner knew that, and you didn't.

I don't see anything under 10-5 that issues a penalty to the coach for not being at the conference. Is there any other incentive, or is this simply chalked up to bad communication?