Rule Number 34
UNSPORTING BEHAVIOUR
.1 Any infringement committed by a player during a break in play.
.2 Hindering another player's attempt at righting themselves after capsizing. A player who is upside down must be allowed to get their head and both shoulders above the water before an opponent is allowed to attempt another tackle.
.3 Interference with the equipment of an opponent. Such as holding or moving another player's paddle out of their reach, or deliberately preventing the player from regaining possession of the paddle.
.4 Use of deliberate delaying tactics. Such as throwing the ball away, or deliberately obstructing the opposition, to delay a quick restart after an infringement.
.5 Players showing dissent.
.6 Retaliation.
.7 Foul or abusive language.
.8 Players showing dissent.Other unsporting behavior to a player, referee or other official or behavior considered detrimental to the game, at the discretion of the referee.