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.
Rugby union in England rugby at least once a week. Rugby union has often been considered, somewhat pejoratively, a 'posh' game. This may be historically linked to the split between Northern teams and the rest of the rugby fraternity over 'broken time payments', i.e. professionalism. This split led to the development of the separate sport of rugby league. The amateur ethos made it difficult for players who could not afford to take time off work to play away games or to go on tour - an integral part of the rugby tradition. Rugby union in many parts of England is associated with fee-paying independent