9. (1) Where the Registrar is notified that an interstate order, in respect of which there is a registered order, has been varied, the Registrar shall cancel the registration of the registered order and register the interstate order as varied.
(2) An order registered under subsection (1) takes effect on the cancellation of the registration of the registered order under that subsection.
(3) If—
(a) before the cancellation of a registered order under subsection (1), that order had not been enforced in respect of a breach of that order; and
(b) the action constituting the breach would amount to a breach of the order registered under subsection (1);
the order referred to in paragraph (b) may be enforced as if the breach were a breach of that order.