(1) If paragraph 89A(a) applies to a person, the amount of compensation that the Commonwealth is liable, under section 85, 86 or 87, to pay to the person for a week is worked out using the following formula:
(2) In this Division:
Division 1 compensation amount for a person for a week means the amount of compensation the person would have been paid for the week if subsection 89(1) had applied.
"superannuation pension amount" for a person who receives a pension for a week under a Commonwealth superannuation scheme means:
(a) if the scheme identifies a part of the pension as attributable to the contributions made under or to the scheme by the Commonwealth or a Commonwealth authority--the amount of that part; or
(b) in any other case, either:
(i) the amount assessed by the Commission to be the part of the pension that is attributable to the contributions made under or to the scheme by the Commonwealth or a Commonwealth authority; or
(ii) if such an assessment cannot be made--the amount of the pension received by the person for the week.