Any party to any
action, arbitration or proceeding relating to an excluded asset is entitled at
any stage thereof to amend any writ, pleading or other document filed by him
in the action, arbitration or proceeding by substituting therein for the name
of A.N.Z. Savings Bank the name of E.S.A. Savings Bank as a party, and no
order shall be made against any party so amending to pay to A.N.Z. Savings
Bank or to E.S.A. Savings Bank any costs occasioned by such amendment, and the
action, arbitration or proceeding shall be continued as if E.S.A. Savings Bank
had originally been made a party thereto.