Both 15.2.4.1 and 15.2.4.2 have been in the NCAA Rules Book since the 2003 season. I am sure that if the PTB had felt that 15.2.4.1 was superfluous, they would have removed it. For now, just accept it as it is, Grasshopper . 
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Jan G. Filip - San Jose, CA
EBVOA Rules Interpreter Emeritus
NCS Volleyball Officials Coordinating Committee Recorder
CIF State Volleyball State Championships Referee (2005), Scorekeeper (2006-2007) & Libero Tracker (2010)
PAVO State Referee (2014) / PAVO Certified Scorekeeper (2014) / PAVO Certified Line Judge (2012)
USAV Junior National Referee (resigned 2013) / USAV National Scorekeeper (2014)
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