Penalty box allows for fans to see that the next player responsible for a penalty will be sent to the sin bin indefinitely (if there has not been a sufficient change in attitude from the team). For the most serious offences and/or repeated misconduct, the referee may send off players, who take no further part in the game and leave their team a player short. Referees also have the power to send team officials to the stands. In 1981 Australia's New South Wales Rugby Football League introduced the use of the sin bin and that year Newtown Jets hooker Barry Jensen became
Penalty box sent-off player may be replaced if he plays in the front row of the scrum (prop or hooker) and the team has a substitute available who is capable of filling that player's position. This allows contested scrums to continue during the player's suspension. In this instance, the team must remove one player from another position for the duration of the suspension. In rugby union sevens, the sending-off period is 2 minutes, which despite being eight minutes shorter, is actually a more severe penalty for two reasons: a) a normal sevens match lasts only 14 minutes instead of the 80 used