(1) In this Part, unless the contrary intention appears:
" Defence Forces Retirement Benefits Act" means the Defence Forces Retirement Benefits Act 1948 , and includes any other Act relating to retirement benefits for members of the Defence Force that came into operation before 1 October 1972 and that modifies or affects the provisions of the Defence Forces Retirement Benefits Act 1948 .
" Defence Forces Retirement Benefits Act 1948" means the Defence Forces Retirement Benefits Act 1948 or that Act as amended and in force from time to time.
"pension" means a pension payable under the Defence Forces Retirement Benefits Act.
"prescribed year" means the year commencing on 1 July 1974 or the year commencing on 1 July 1975 .
(2) Subject to subsection ( 3), if, at any time, whether before or after the commencement of this section, the Statistician has published in respect of a particular March quarter or June quarter an all groups consumer price index number for the weighted average of the 6 State capital cities or an estimate of the seasonally adjusted average weekly earnings per employed male unit throughout the Commonwealth in substitution for an index number or estimate previously published by him in respect of that quarter, the publication of the later index number or estimate shall be disregarded for the purposes of this Part .
(3) Notwithstanding subsection ( 2), if, at any time after the commencement of this section the Statistician changes the index reference period for the Consumer Price Index, then, for the purposes of the application of this Part after the change takes place, regard shall be had only to index numbers published in terms of the new index reference period .
(4) If the prescribed percentage for the purposes of section 6 or 7 is or includes a fraction of one - tenth of 1 per centum:
(a) if that fraction is less than one - half of one - tenth--that fraction shall be disregarded; and
(b) if that fraction is not less than one - half of one - tenth--that fraction shall be treated as one - tenth .