sub or not??

[cmathews]

A6 is at the table to sub in near the end of a game. One of the officials reports a foul and beckons A6 onto the floor. The coach then tells A6 no, I want don't want you in now.

Do you force A6 to come into the game or do you allow him to go back to the bench.

I will await some replies then tell you how it was handled.