The rights and liabilities of all persons are, by force of this Act, declared to be, and always to have been, the same as if –

(a) each ineffective judgment of –

(i) the Federal Court of Australia, otherwise than as a Full Court of the Federal Court of Australia; or

(ii) the Family Court of Australia, otherwise than as a Full Court of the Family Court of Australia –

had been a valid judgment of the Supreme Court; and

(b) each ineffective judgment of –

(i) a Full Court of the Federal Court of Australia; or

(ii) a Full Court of the Family Court of Australia –

had been a valid judgment of the Full Court of the Supreme Court.