Comparison of rugby league and rugby union 1 in league. A penalty goal is worth 3 points in union and 2 points in league. Use of a penalty box (or "sin bin") was introduced by rugby league in 1980. Rugby union had been experimenting with the same concept since 1979, although it was not formally sanctioned until 2001. Video referee technology was first used for rugby league in 1996 and for rugby union in 2001. In rugby league the ball may be thrown or knocked out of play deliberately, while in union those are penalty offences. Kicking the ball out of play is legal in both codes.
Laws of rugby union occurred they can award a "penalty try". Penalty tries are always awarded underneath the goalposts, no matter where the infringement occurred. Beginning in 2017, penalty tries are automatically worth seven points, negating the need to attempt a conversion. In the case of a jump ball from a cross-field kick, the ball cannot be punched out of play by a defender as you could in rugby league, it should be caught and grounded to get a 22m dropout instead. When a try is awarded by the referee, the team scoring the try has the right to attempt a conversion. A conversion