Can't find a case play

[MD Longhorn]

YU has posted the NFHS rule... a clear case where their rule makes a lot more sense than the ASA rule, which seems to indicate there's no grey area between an illegal pitch and ruling the batter did it intentionally (with warning and ejection threats).

In NFHS (and every baseball ruleset), if the batter steps out and the pitcher stops, it's a no pitch. I believe that is the same in NCAA although my book was borrowed this weekend and I have not gotten it back.