Commonwealth Consolidated Acts Commonwealth Consolidated ActsWhere, on or after 1 July 1975, a person to whom pension benefit, being invalidity pay, is payable under the Defence Force Retirement and Death Benefits Act and who is entitled to an increase in the rate of his pension benefit under this Part is re - classified under section 34 of that Act, the rate at which pension benefit is payable to him on and after the date from which the re - classification has effect is the rate at which pension benefit would have been payable to him on 1 July 1975 if he had been so re - classified with effect on and from 30 June 1975 .