[chseagle]

This is from the WIAA Handbook:

52.5.0 PLAYER LIMITATION – Each player may play in twenty (20) contests, but in doing so may not exceed eighty (80) quarters. Any appearance in a quarter, regardless of the length of time played, shall be
considered as one (1) quarter. This is interpreted as meaning when a player is beckoned onto the floor and the ball becomes alive, that the player has played in one (1) quarter.
52.5.1 Players from all classifications of schools except 1B schools may appear in a maximum of four (4) quarters in one (1) day.
52.5.2 Players in 1B schools may appear in a maximum of five (5) quarters in one (1) day.
52.5.3 Players from all classifications of schools except 1B schools may participate in a maximum of 20 games during the regular season.
52.5.4 Players in 1B schools may participate in a maximum of 80 quarters during the regular season.
52.5.5 If an eighth grader has participated in a middle level or junior high team, that player may participate in a maximum of forty quarters.
52.6.0 COUNTING QUARTERS AND CONTESTS:
52.6.1 Four (4) quarters played against the same squad is one (1) contest.
52.6.2 Four (4) quarters played against the same school, same day, different squads (i.e., varsity and junior varsity squads) is one (1) contest.
52.6.3 Four (4) quarters played against the same school, different days during the same week, different squads (i.e., varsity on Tuesday, junior varsity on Thursday) is one (1) contest. If a player exceeds four (4) quarters, that player is considered to have participated in two (2) contests (one (1) contest on each day).
52.6.4 A total of four (4) quarters played against two (2) different schools, same day, different squads is one (1) contest.
52.6.5 One (1) or more quarters played against two (2) different schools, different days during the same week, different squads would be two (2) contests.
52.6.6 Postseason games do not count against the game or quarterly season limitation.
52.6.7 FIFTH QUARTER - A fifth quarter may be played only by freshmen basketball squads following the regular contest. The 5th quarter is for players who were not starters and who played in three (3) quarters or less of the regular contest.