To collect a consumption tax from a game player while clearly indicating the collecting action of the consumption tax by the game parlor.

The card processing unit comprises a ball rending processing part 58a which commands a "rending machine throw-out mechanism" to rend the fraction number of Pachinko balls which become impossible to be thrown out due to an effect that the number does reach at least a rending unit of a "game machine side throw-out mechanism" out of a rending number equivalent to a "consumption-tax excluded rending request amount" in which an amount of money by the consumption tax is excluded from a "consumption-tax included rending request amount", when a card processing unit 50 executes ball rending by collecting the consumption tax imposed on the consumption of a game medium.