Rule 9, Section 1, Article 11.
Leverage, Leaping and Landing
ARTICLE 11. a. No defensive player, in an attempt to gain an advantage, may
step, jump or stand on an opponent (See also Rule 9-3-5-b).
b. No defensive player who runs forward from beyond the neutral zone and
leaps from beyond the neutral zone in an obvious attempt to block a field
goal or try may land on any player(s).
1. It is not a foul if the player was aligned in a stationary position within
one yard of the line of scrimmage when the ball was snapped.
2. It is not a foul if the player leaps from in or behind the neutral zone.
3. It is not a foul if an offensive player initiates contact against the player
who leaps.
c. No defensive player who is inside the tackle box may try to block a punt by
leaving his feet in an attempt to leap directly over an opponent.
1. It is not a foul if the player tries to block the punt by jumping straight up
without attempting to leap over the opponent.
2. It is not a foul if a player attempts to leap through or over the gap between
players.