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			5 Key Rule Differences 
A player in the neutral zone is offsides and a live ball foul 
There is more latitude on low blocks although they are still legal by default 
KCI has a 1-yard semi-halo 
Passer can legally throw ball away if outside tackle box and pass beyond LOS 
4th down fumble rule and forward fumble out of bounds 
 
5 Penalty Enforcement Differences 
DPI is a spot foul inside 15 and an exception to half the distance 
Live ball fouls by A on kicking plays can be tacked on to the end of the return 
Runs that end behind the LOS have a basic spot of the previous spot 
Fouls by A behind the LOS are enforced from the previous spot 
DPI, UNS, and PF are automatic first downs
		 
		
		
		
		
		
		
		
		
	
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