(1) An MDO or insurer must repay an amount to the Commonwealth if:
(a) an IBNR indemnity has been paid to the MDO or insurer in relation to a claim against or by a person in relation to an incident; and
(b) an amount is paid to the MDO or insurer in relation to the payment the MDO or insurer made in relation to the incident; and
(c) that amount was not taken into account in calculating the amount of the IBNR indemnity paid to the MDO or insurer; and
(d) the amount is not an amount referred to in subsection 21(4); and
(e) the Chief Executive Medicare gives the MDO or insurer a notice in relation to the amount under section 26.
(2) The amount to be repaid is the amount referred to in paragraph (1)(b).
(4) The amount to be repaid is a debt due to the Commonwealth.
(5) The amount to be repaid may be recovered:
(a) by action by the Chief Executive Medicare against the MDO or insurer in a court of competent jurisdiction; or
(b) by deduction from the amount of an indemnity scheme payment payable to the MDO or insurer; or
(c) under section 42.
The total amount recovered must not exceed the amount to be repaid.