(1) In this Act, unless the contrary intention appears:
"current figure" , as at a particular time and in relation to an amount that is to be indexed or adjusted under Part 3.16, means:
(a) if the amount has not yet been indexed or adjusted under Part 3.16 before that time--the amount; and
(b) if the amount has been indexed or adjusted under Part 3.16 before that time--the amount most recently substituted for the amount under Part 3.16 before that time.
"index number" , in relation to a quarter, means the All Groups Consumer Price Index number that is the weighted average of the 8 capital cities and is published by the Australian Statistician in respect of that quarter.
"November earnings average" , in relation to a year, means the amount called the "All Employees--Average Weekly Total Earnings--Persons" published by the Australian Statistician in respect of a period ending on or before a particular day in November in that year but does not include a preliminary estimate of that amount.
Publication of substituted index numbers
(4) Subject to subsection (5), if at any time (whether before or after the commencement of this section), the Australian Statistician publishes an index number for a quarter in substitution for an index number previously published by the Australian Statistician for that quarter, the publication of the later index number is to be disregarded for the purposes of this section.
Change to CPI index reference period
(5) If at any time (whether before or after the commencement of this section) the Australian Statistician changes the index reference period for the Consumer Price Index, regard is to be had, for the purposes of applying this section after the change takes place, only to index numbers published in terms of the new index reference period.
Publication of substituted AWE amount
(6) If at any time (whether before or after the commencement of this section) the Australian Statistician publishes an amount in substitution for a November earnings average previously published by the Australian Statistician, for that year, the publication of the later amount is to be disregarded for the purposes of this section.