PART III GAMING THAT DOES NOT TAKE PLACE THROUGHOUT ANACCOUNTING PERIOD

9 The amount
For the purpose of determining the amount of duty which is to be charged on the premises each of the parts of the gross gaming yield specified in the first column of the Table in section 11 of the Act, other than the last, shall be reduced by multiplying that part by the duration of the dutiable gaming (determined in accordance with regulation 8 above) and dividing the result by the number of days in the accounting period.
Reg. 9 in force at 1.10.1997, see reg. 1