In case of reimbursement / repayment in advance of the installments for the transactions performed with Bonus Card, on next statements will be emphasized both the initial installments and refunded / reversal installments, until the last posting installment applicable to each transaction. Also, on following account statements can occur a gap between initial posting installments and due refunded / reversal installments from data perspective in which the poster installment and posting reimbursement / returned installment were performed. Thus, some statements can be decreased with the amounts from offset installments and others statements may be increased by the amounts representing pairs of offset transactions and previously recorded.