NFL rulebook Rulebook 2015 Rulebook 2015 NFL Rulebook - Section #3 Official Playing Rules 3-2-7 Item 2 3-2-7 Item 2 2015 Rulebook 2015 NFL Rulebook | NFL Football Operations http://operations.nfl.com/the-rules/2015-nfl-rulebook/ Rule 2 http://operations.nfl.com/the-rules/2015-nfl-rulebook http://operations.nfl.com/the-rules/2015-nfl-rulebook/ 2015 NFL Rulebook | NFL Football Operations