The Chief Executive Medicare has the following prescribed functions:
(a) to investigate whether the Commonwealth has paid to a person, by way of subsidy under Chapter 3 of the Aged Care Act or Chapter 3 of the Aged Care Transitional Act, an amount that is a recoverable amount;
(b) on behalf of the Commonwealth, to take action to recover a recoverable amount (or part of it):
(i) in accordance with section 95 - 2 of the Aged Care Act; or
(ii) by any other means.