(1) Average weekly earnings , for a quarter, means the amount:
(a) published by the Australian Statistician as the average weekly earnings for all employees (total earnings, seasonally adjusted) for the reference period in that quarter; or
(b) if the Australian Statistician fails or ceases to publish the amount referred to in paragraph (a)--the amount determined in the manner specified in the regulations.
(2) Regulations made for the purposes of paragraph (1)(b) may specify matters by reference to which an amount is to be determined.
(3) In this section:
"reference period" , in a quarter, is the period described by the Australian Statistician as the pay period ending on or before a specified day that is the third Friday of the middle month of that quarter.