Commonwealth Consolidated Acts Commonwealth Consolidated Acts"index number" , in relation to a quarter, means the All Groups Consumer Price Index number, being the weighted average of the 8 capital cities, published by the Australian Statistician in respect of that quarter.
"relevant amount" means an amount specified in the following provisions:
(aa) the definition of group amount in subsection 287(1);
(a) subparagraph 293(2)(a)(i);
(b) paragraphs 293(2)(b), 294(2)(a) and (b) and 295(2)(a) and (b);
(c) subsections 296(1) and (1A) and 297(1).
"relevant period" means each period of 6 months beginning on 1 January or 1 July.
(2) Subject to subsection (3), if at any time, whether before or after the commencement of this section, the Australian Statistician has published or publishes an index number in respect of a quarter in substitution for an index number previously published in respect of that quarter, the publication of the later index number shall be disregarded for the purposes of this section.
(3) If at any time, whether before or after the commencement of this section, the Australian Statistician has changed or changes the index reference period for the Consumer Price Index, then, for the purposes of the application of this section after the change took place or takes place, regard shall be had only to index numbers published in terms of the new index reference period.
(4) Where the factor ascertained under subsection (5) in relation to a relevant period is greater than 1, this Part has effect in relation to any election the polling day in which occurs during that relevant period as if for each relevant amount there were substituted an amount ascertained by multiplying by that factor:
(a) in a case to which paragraph (b) does not apply--the relevant amount; or
(b) if, by virtue of another application or other applications of this section, this Part has had effect as if another amount was substituted, or other amounts were substituted, for the relevant amount--the substituted amount or the last substituted amount, as the case may be.
(5) The factor to be ascertained for the purposes of subsection (4) in relation to a relevant period is the number ascertained:
(a) if the relevant period commences on 1 July--by dividing the index number for the last preceding March quarter by the index number for the last preceding September quarter; or
(b) if the relevant period commences on 1 January--by dividing the index number for the last preceding September quarter by the index number for the last preceding March quarter.
(6) The following are to be ascertained to 3 decimal places, but increased by .001 if the fourth decimal place is more than 4:
(a) a factor ascertained under subsection (5);
(b) a relevant amount referred to in:
(i) the definition of group amount in subsection 287(1); or
(ii) subparagraph 293(2)(a)(i) or paragraph 294(2)(a) or 295(2)(a).
(7) Any other relevant amount ascertained for the purposes of
subsection (4) is to be rounded to the nearest dollar, rounding up in
the case of 50 cents or more.