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Possible sanctions available to the NRL include fines and deregistrations for those who breach the new anti-tampering rules.
Clubs are also prevented from inducing a player to switch clubs before their contract ends.
The NRL wants to send a message to registered club officials and agents who also hold roles in the media.
Among the most prominent figures who hold dual roles in the game include Phil Gould (Nine and Bulldogs), Braith Anasta (Fox and agent), Paul Gallen (Nine and Sharks board), Greg Alexander (Fox and Panthers board), Matthew Johns (Fox and Titans owner), Gorden Tallis (Fox and Titans owner) and Billy Slater (Nine and Queensland Origin coach).