(1) On the sale day:
(a) the Commonwealth becomes liable to pay to the Authority an amount equal to the Commonwealth - guaranteed debts of the Authority on the sale day; and
(b) the Authority becomes liable to pay to the Commonwealth an amount equal to the Commonwealth - guaranteed debts of the Authority on that day.
(2) The amount payable under paragraph (1)(a) is to be set - off against the amount payable under paragraph (1)(b).
(3) The Consolidated Revenue Fund is appropriated for payments under paragraph (1)(a).