(5) If an order is amended, the amended order has effect as if it had been
made under the same provision of this Act as the original order.
(6) On the
final determination of the application, the applicant is entitled to a refund
of the deposit paid under subsection (3) (d) unless, in making the
determination, the principal registrar or the Tribunal finds that the
application was frivolous, vexatious, misconceived or lacking in substance.