2017-2018 WASHINGTON INTERSCHOLASTIC ACTIVITIES ASSOCIATION HANDBOOK | 54-55
29.5.0 PITCHER LIMITATION
29.5.1 The pitching limitation rule applies during all regular season and postseason games, as well as to tied, suspended, discontinued or protested games.
29.5.2 The pitching limitation rule is based upon the number of pitches thrown during a calendar day with a maximum of 105 pitches in a calendar day.
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.