maintain an office in the free zone or such other place as the Commissioners may allow at which shall be kept any records, for which the responsible authority is responsible, relating to the free zone and the business carried on therein;

keep separate accounts in connection with the free zone;

provide such information in connection with the free zone and the operation thereof to any person authorised by the Treasury, as that person may reasonably require;

provide, free of expense to the Crown, such accommodation and facilities including furniture, fittings and equipment as the Commissioners may reasonably require and such accommodation and facilities shall be properly maintained, heated, lighted, ventilated and kept clean by the responsible authority;

provide, free of expense to the Crown, such area of land within the free zone as the Commissioners may reasonably require for the examination of goods and vehicles and shall provide and maintain such appliances and afford such other facilities which are reasonably necessary to enable an account to be taken of any goods or make any examination or search.