(1) The Treasurer may, on behalf of the Commonwealth, and subject to the conditions required by this Act, guarantee:
(a) the repayment by Qantas Airways Limited of amounts borrowed by it not exceeding its expenditure in connexion with the purchase by it of 2 Boeing 747 aircraft and related spare parts and equipment; and
(b) the payment of interest on amounts so borrowed.
(2) A guarantee or guarantees shall not be given under subsection (1) in respect of moneys borrowed in the currency of the United States of America , or in any other currency, exceeding in the aggregate $80,000,000 in the currency of the United States of America .
(3) For the purposes of subsection (2), the amount of a borrowing in a currency other than the currency of the United States of America shall be taken to be the amount in the currency of the United States of America that was equivalent to the first - mentioned amount at the date of the borrowing, as ascertained by the Reserve Bank of Australia.