Appointment of Terminal Operator as Agent; Rights under Power of Attorney. (a) Each B&L User shall appoint the Terminal Operator as its agent, to act under power of attorney, for the purpose of: recording all borrowing and lending for each B&L User; determining the Inter-User Guarantee Amount pursuant to clause 6.2; calculating amounts payable to one or more B&L Users in response to the Reconciliation Value at the end of the Contract Year detailed in clause 4.4(l); calculating amounts payable to one or more B&L Users in response to a Compensation Event detailed in clause 8; and drawing on an Inter-User Guarantee in the situations detailed in clause