6.4  Allocation of Costs

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

(a)  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 by the Service Provider; and

(b)  the Arbitrator, the costs of the arbitration shall be in the discretion of the Arbitrator.