Rules
Sevens follows the rules of 13-a-side rugby league with exceptions. Each rugby league nation is at liberty to adopt a modified version of international rugby league rules for their own domestic competitions; as a result the rules of rugby league sevens can vary too, even before changes implemented by competition organisers.
Matches have two halves of seven minutes. Unlimited substitutions are allowed from a squad totalling 12 players. In sevens, smaller scrums, formed from the three forwards on each team, are formed. All kicks for goal should be drop kicks in sevens. After points have been scored a tap kick restart is taken by the non-scoring side.
The World Sevens, the world's premier sevens event while it operated, had two 7 minute halves up to and including the semi-finals with extra time played in the event of tie at the end normal time. The final was longer with two 10 minute halves. In 2004, the World Sevens tackle limit was reduced from 6 to 4.
Read more about this topic: Rugby League Sevens
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