6-1-6, 6-5-6, 9-3-8 The MechaniGram illustrates team K has successfully executed an onside kick because the ball has both touched the ground and gone beyond the plane of team R’s free-kick line (the order doesn’t matter). A team K player may touch a free kicked ball after it touches a team R player. Once the ball is kicked, officials on the respective restraining or free kick lines must be aware of blocks by K players. Team K is restricted from blocking unless team R initiates the contact or team K is eligible to touch or recover the ball. If a team K player catches a free kick in beyond the neutral zone, even if there is no team R player in position to catch the ball, it is a foul for kick catching interference.
6-5-6, 6.5.6e In PlayPic A, the receiver has given a fair catch signal, then muffs the ball (PlayPic B). The receiver’s fair catch interference protection ends when he muffs the kick.
6-5-6 Kick-catching interference. R has the option of taking the results of the play, accepting an awarded fair catch at the spot of the foul, accepting a 15-yard penalty from the spot an awarded fair catch, or replaying the down after having a 15-yard penalty enforced from the previous spot.
6-5-6 It is kick catching interference when the kickers touch a free kick in flight. It makes no difference whether or not the ball has been beyond the receiver's free kick line. This restrictions ends after a receiver touches the kick. R may choose of an awarded fair catch at the spot of the foul with a 15 yard distance penalty or have the distance penalty enforced from the previous spot and rekick.