Switching batters box

[thumpferee]

Originally posted by klp3515
The batter switched boxes with the same pitcher with a 1-0 count on the batter.

As DG has said, legal as long as...etc

batter can switch boxes any time during the @ bat as long as the pitcher is not on the mound (ready to pitch).

Someone correct me if I'm wrong, but, if the pitcher is on the mound ready to pitch and the batter switches boxes he is out, correct?