Penalty box the first player sent to it. Use of a sin bin was introduced to rugby union in 2001. In the National Rugby League, there is no "physical" sin bin. Players must serve their punishment in the dressing room; remaining on the sideline or in the stands is not permitted. However, in the European Super League and other UK based competitions, a player sent to the sin bin will usually sit on the bench and will wear a 'bib'; however, they do have the option of going back into the dressing room if they please. In rugby union, a sin-binned or
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