Sport in the United Kingdom Until 2008, automatic promotion and relegation existed between Super League and the Championship when it was replaced by three-year licences for clubs to play in the former. Promotion and relegation returned to Super League and the Championship in 2015. The main knock-out competition is the Challenge Cup, which also includes clubs from France and Canada, and in the past has also included clubs from Russia. Rugby league is also played as an amateur sport, especially in the heartland areas, where the game is administered by BARLA. Since the rugby union authorities ended the discrimination against playing rugby league amateur numbers
Calcutta Cup cup is of Indian workmanship, approximately 18 inches (45 cm) high, the body is finely engraved with three king cobras forming the handles. The domed lid is surmounted by an elephant which is, it is said, copied from the Viceroy's own stock. The inscription on the Cup's wooden base reads: "THE CALCUTTA CUP". The base has attached to it additional plates which record the date of each match played with the name of the winning country and the names of the two captains. There is an anomaly in the recording of the winning country on the base of the Cup.