20.  COSTS

Where the Construction Sub-Contractor or the Operating Sub-Contractor makes submissions in any reference before:

20.1.  the Adjudicator, the Adjudicator's costs of such reference shall be borne as the Adjudicator shall specify, or in default, one-third by the Authority and two-thirds (2/3) by the Contractor; and

20.2.  the Arbitrator, the costs of the arbitration shall be in the discretion of the Arbitrator.