T on Coach with 10 seconds left

[Nevadaref]

Originally Posted by hbioteach

Coach A after being warned 2x to be seated after receiving indirect T, is given T by me with 10 seconds left for standing and coaching while A has the ball down by 2.

Originally Posted by Nevadaref

The fact that the coach is not directing comments to the officials or is "coaching the team" has no bearing on rule enforcement.
...Once the coaching box has been removed because of a technical foul, all related rules restrictions must apply. There's no way to get the box back after the privilege has been lost.

Obviously, you missed those parts even though I put them in bold for you.

The assistant coach sentences are in a different color and do apply because the OP also involves assistant coaches.