(1)  The gross profit derived for any period from the conduct of gaming is to be calculated in accordance with this section.

(2)  The gross profit derived from machine games during any period is to be calculated by deducting from the total amount wagered in that period the sum of all winnings paid.

(2A)  The gross profit derived from keno during any period is to be calculated by deducting from the total amount wagered in that period –

(a) the sum of all winnings paid, other than jackpots; and

(b) any amount accrued during the period in jackpot prize pools.

(3)  Subject to subsection (6) , the gross profit derived from games approved under section 103 during any period is to be calculated by deducting from the total amount wagered during that period the sum of all winnings paid, and adjusting the amount obtained for any change in the value of unredeemed gaming chips.

(4)  For the purposes of subsection (3) –

(a) if the value of the unredeemed gaming chips at the end of a period is greater than it was at the beginning of the period, an amount equal to the increase in value is to be added to the amount obtained under subsection (3) ; or

(b) if the value of the unredeemed gaming chips at the end of a period is less than it was at the beginning of the period, an amount equal to the reduction in value is to be deducted from the amount obtained under subsection (3) .

(5)  In subsection (4) –

(a) the value of a gaming chip is the amount required to be given for its issue; and

(b) any sum received for the issue of a gaming chip is an amount wagered; and

(c) a gaming chip is unredeemed so long as it is not used in gaming or redeemed for cash.

(6)  The gross profit derived from a game approved under section 103 , where the casino operator receives a commission or payment calculated in accordance with the total amount wagered on such a game, is the commission or payment received by the casino operator.

(7)  A reference to winnings in this section does not include the value of any prizes paid out as part of a promotion.