[BillyMac]

Therefore, officials are encouraged to use this book in conjunction with the current edition of the NFHS Basketball Rules Book and the NFHS Basketball Case Book and NOT in place of the NFHS Rules Book and NFHS Case Book that contain the full text of the NFHS basketball rules and NFHS interpretations.

While IAABO admits that the NFHS Rulebook and the NFHS Casebook are the ultimate authority regarding high school basketball rules, here's what the IAABO Manual (their own version of the NFHS Rulebook and the NFHS Casebook) has to say regarding this issue.