3. Specified amount may increase if CPI rises
(1) In this regulation ¾
}CPI number~ means the Consumer Price Index, All Groups index number for Perth published by the Australian Bureau of Statistics.
(2) As soon as is practicable after the polling day in a general election the Electoral Commissioner is to calculate an amount in accordance with the formula ¾
where
A = the latest CPI number to have been published before the polling day; and
B = the latest CPI number to have been published before the commencement of these regulations or, if a new reference base is currently used for the Consumer Price Index, the corresponding number on the new reference base calculated using the conversion factor published by the Australian Bureau of Statistics,
and subject to subregulation (3), that amount is the }amount determined~ for the purposes of subregulation (4).
(3) If the amount calculated under subregulation (2) is not a multiple of $100 it is to be rounded off to the nearest multiple of $100 (with an amount that is $50 more than a multiple of $100 being rounded off to the next highest multiple of $100) and the amount as so rounded off is the }amount determined~ for the purposes of subregulation (4).
(4) If the amount determined is more than $1 500 the Electoral Commissioner is to publish a notice in the Gazette, within the period of 30 days after the polling day mentioned in subregulation (2), stating that the amount determined is the specified amount for the purposes of Part VI of the Act.