Where is this in the NFHS Rule Book?

[DaveASA/FED]

Look at rule 2-25-1f by rule it doesn't matter what part of the batter's box the batter is in, if it hits them in the batter's box it is a foul ball. If it's a foul ball then we have no issue with them making contact with a fair ball....cause it is foul!!

f. touches the batter or the bat in the batter's hand(s) a second time while the
batter is within the batter's box;