| 摘要 |
<p>PROBLEM TO BE SOLVED: To provide a method for cancelling an invoice liability.SOLUTION: The method includes: (a) a step for providing a sale invoice each having a value of the credit side; (b) a step for providing a purchase invoice each having a value of the debit side; and (c) a step for offsetting at least part of the value of the debit side of the purchase invoice against at least part of the value of the credit side of the sale invoice. The method further includes: (a) a step for providing a vendor having a sale invoice; (b) a step for providing a customer having a sale invoice and a purchase invoice for which the purchase invoice in the sale invoice forms an invoice chain; and (c) a step for offsetting the sale invoice of the vendor against the sale invoice or purchase invoice of the customer or a combination thereof.</p> |
