Decision of the Expert

5.  The Expert shall determine the Dispute acting impartially and in good faith.  The Expert shall have the power to open up, review and revise any certificate, decision, direction, instruction, notice, requirement or valuation made under the Agreement except where the Agreement expressly prohibits this.

6.  The Expert's determination shall be binding on the parties if it is a Dispute to which paragraph 6.1 of the Schedule applies.  In all other cases, the Expert's decision shall be binding unless or until the Dispute is finally determined by agreement, court proceedings or by reference to arbitration in accordance with this Schedule.

7.  The Expert may be called as a witness in any subsequent proceedings concerning the Dispute.