4.4  Written Decision

In any event, the Adjudicator shall provide to both parties his written decision on the dispute, within twenty-eight (28) days of appointment (or such other period as the parties may agree after the reference, or forty-two (42) days from the date of reference if the Referring Party agrees).  Unless the parties otherwise agree, the Adjudicator shall give reasons for his decision.  Unless and until revised, cancelled or varied by the Arbitrator, the Adjudicator's decision shall be binding on both parties who shall forthwith give effect to the decision.