(1) The time of supply for gaming activity is subject to the following provisions:
(a) for the supply of services involving number forecasting, lottery or any other game of chance, the time of supply shall be the time at which the numbers are drawn or at which the results are declared;
(b) for the supply of services involving horse racing or other similar racing, the time of supply shall be the time at which the race takes place;
(c) for the supply of service by a gaming machine, the time of supply shall be the time at which collection is removed from the machine, or the time at which the transaction is recorded by the machine, whichever is earliest.
(2) The time of supply of services involving casino betting shall be on the last day of the taxable period in which the supply takes place.