At the beginning of the at bat, if the pitch count is less than 105, a pitcher will be allowed to finish the at bat regardless if he goes over 105 on that batter. Once the pitcher finishes the at bat and is over 105 he must come out.
29.5.3 High school pitching limitation
# PITCHES REQUIRED REST
76 - 105 3 calendar days
51 - 75 2 calendar days
31 - 50 1 calendar day
1 - 30 0 days
29.5.4 Counting pitches
A. Every legal or illegal pitch thrown from the pitching mound to a batter will count toward the pitching limitation.
B. The home scorebook will be official recording for pitch counts unless otherwise designated by the schools, league, WIAA district, or the WIAA state office.
C. Violations of the pitch count rule are considered in the same manner as a school using an ineligible player. Unless finishing the at bat, the pitcher becomes ineligible to pitch after the maximum daily limit is reached.