(1) If an amount to which section 24 applies is paid to an MDO or insurer, the Chief Executive Medicare may give the MDO or insurer a written notice that specifies:
(a) the amount that is repayable to the Commonwealth; and
(b) the day before which the amount must be repaid to the Commonwealth; and
(c) the effect of section 27.
The day specified under paragraph (b) must be at least 28 days after the day on which the notice is given.
(2) The amount becomes due and payable on the day specified under paragraph (1)(b).