(1) If:
(a) before the commencement of this Act, a court, in the exercise of its federal family jurisdiction, made an order (the new order ) on the basis that an ineffective order of the kind referred to in subsection 4 (2) was or might be invalid; and
(b) the new order replaced the ineffective order (see subsection ( 2));
section 5 is to be regarded as having ceased to have effect in respect of the ineffective order when the new order took effect.
(2) For the purposes of subsection ( 1), the new order replaced the ineffective order if the new order:
(a) conferred or imposed rights or liabilities similar to or different from those purportedly conferred or imposed by the ineffective order; or
(b) affected rights or liabilities in the same way as they were purportedly affected by the ineffective order or in a different way.
(3) If:
(a) before the commencement of this Act, a court, in the exercise of its federal family jurisdiction, made an order or decision (the new order or decision ) on the basis that the registration decision in relation to an ineffective order of the kind referred to in subsection 4 (3) was or might be invalid; and
(b) the new order or decision replaced the ineffective order (see subsection ( 4));
section 5 is to be regarded as having ceased to have effect in respect of the ineffective order when the new order or decision took effect.
(4) For the purposes of subsection ( 3), the new order or decision replaced the ineffective order if:
(a) it was an order:
(i) conferring or imposing rights or liabilities similar to or different from those purportedly conferred or imposed by the ineffective order; or
(ii) affecting rights or liabilities in the same way as they were purportedly affected by the ineffective order or in a different way; or
(b) it was a decision to register the same or a different parenting plan under section 6 3E of the Family Law Act 1975 .