(1) This section applies if:
(a) a decision (within the meaning of Article 1 of the Australia - New Zealand Agreement) is issued, made or registered by a judicial or administrative authority of Australia; and
(b) the decision refers to an amount of money expressed in Australian currency.
(2) The amount must be converted into the equivalent amount expressed in New Zealand currency using:
(a) the international money transfer buying rates published by the Commonwealth Bank of Australia that applies to New Zealand currency on the day when the decision is transmitted by the Registrar; or
(b) if no such rate is available for New Zealand currency on that day--an exchange rate for the currency that the Registrar considers appropriate.