Before revision: In a ruck, no player may use their hands to win the ball;Laws of the Game: Law 16.4b instead each side attempts to push the other side off the ball or use their feet to hook it back towards their own side; an action known as rucking.
After revision: Any player not taking part in the ruck and maul must retreat behind the offside line, a notional line that runs parallel to the goal-lines through the rearmost foot of their hindmost teammate in the ruck or maul.Laws of the Game: Law 16.5aIn a ruck, no player may use their hands to win the ball;Laws of the Game: Law 16.4b instead each side attempts to push the other side off the ball or use their feet to hook it back towards their own side; an action known as rucking.