Defence Force Retirement and Death Benefits Act 1973

The amount of each fortnightly contribution to be paid by a contributing member is an amount equal to 5.5% of the fortnightly rate of pay applicable to the member on the day on which the contribution is payable.

Where the amount of a fortnightly contribution payable by a contributing member includes a fraction of a cent:

if the fraction is less than one‑half of a cent—the contribution shall be deemed to be reduced by the amount of the fraction; or

if the fraction is one‑half of a cent or more—the contribution shall be deemed to be increased by treating the fraction as one cent.

If a member’s hours of duty or periods of duty are determined under a flexible service determination (within the meaning of the Defence Act 1903), the fortnightly rate of pay applicable to the member is the rate of pay that would have been applicable if the member’s hours of duty or periods of duty were not determined under the flexible service determination.