(1) Any party to any
action, arbitration or proceeding relating to an excluded asset or a Challenge
or Westpac employee is entitled at any stage to seek leave to amend any writ,
pleading or other document filed by the party in the action, arbitration or
proceeding by substituting for the name of Westpac the name of Challenge as
party.
(2) No order is to be
made against any party so amending to pay to Westpac or to Challenge any costs
occasioned by that amendment.
(3) The action,
arbitration or proceeding is to be continued as if Challenge had originally
been made a party to it.