NFHS End-of-Period mechanic

[ilyazhito]

Maybe their way is the correct way for their area or state association. The IAABO book tells officials not to blow the whistle unless ruling a shot was not released in time, so officials in IAABO boards follow that procedure. Officials officiating for non-IAABO associations do things the NFHS way, including blowing the whistle at the end of the period no matter what.