ChD 4 February 1987, The court was asked to determine a number of questions of law under Arbitration Act 1979 s2 . There was also an appeal from the arbitrator`s refusal to order discovery of certain documents . Premises in Mayfair, were used as a gambling club or casino by an associated company of the tenant. The lease provided for rent review s to rack rental value and questions were submitted to court when the landlords` valuer contended for a rent of 3,000,000 and the tenants` valuer contended for a rent of 180,000 p.a. There were eight questions designed to clarify the hypotheses and assumptions on which the rental value was to be assessed. After detailed consideration the ChD held that the arbitrator in considering what rent the hypothetical lessee would be prepared to pay and the hypothetical lessor would be prepared to accept, should regard them as "higgling" on this footing. On the question of discovery of the accounts and records, there was nothing contrary to principle to