8.1 The Tenant shall at all times keep the Accounts System fully functioning and if required accessible to the Landlord,
8.2 The Tenant shall at all times keep the Account Records fully and accurately and shall keep them safely on the Premises or at the offices of its Auditors or at the Head office of the Tenant and make the Account Records available for inspection at all reasonable times by an employee or accountant (authorised by the Landlord to make such inspection) of the Landlord.
8.3 The Landlord may in its discretion cause the Account Records relating to any Accounting Year to be audited by a professionally qualified accountant appointed by the Landlord and if it is established by such audit that the Gross Turnover for any Accounting Year has been understated by two per cent (2%) or more then the cost of the audit shall be paid by the Tenant to the Landlord on demand.
8.4 If it shall be duly established by any inspection or audit or from any other circumstances that any further Turnover Rent is payable then such Turnover Rent together with Interest (calculated from the date on which such further Turnover Rent was due to be paid) shall be paid by the Tenant to the Landlord on demand.