Back line players may not participate in the action of blocking. A ball touching the boundary line is good. A ball played into the out of bounds area must cross the net inside the boundary lines. The ball is held or pushed. The ball touches a player below the waist.
Team is out of position at service.
A player touches the net. A player strikes the ball in the opponent's area. A back line player, while in the attack area hits the ball into the opponent's side of the court from above the height of the net. A ball has not passed over the net completely within the poles. A ball lands outside the court or touches an object outside the court.