You cannot stand on the bottom of the pool. Only players properly in tubes may play the ball. Anyone else is out of play until they get back into the tube. All players must have caps on, tied under the chin at all times during play. No jewelry of any kind may be worn during the game.
Casts are illegal.
After a goal is scored the ball must be given to a referee who will return it to the goal-keeper. The goalkeeper must put the play in play within 5 seconds of receiving the ball. Kicking inner tube out from under an opponent without the ball. Using a teammate, opponent, or sides of the pool to gain advantage in playing the ball. Two yard line.