To use payment calendarsYou can optionally use payment calendars to determine the due dates for sales invoices and purchase invoices. On the payment calendar, you can indicate bank holidays and other periods during which your company or an pay-by business partner cannot make payments. If you use a payment calendar and the calculated due day is a day marked as Non-Available Day on the payment calendar, LN changes the due date to the previous working day or, in some situations, to the next working day. Note To determine whether a payment calendar is used, LN checks whether the Availability Type field in the ACR Parameters (tfacr0100s000) session or the ACP Parameters (tfacp0100m000) session is filled. To determine the due date on the payment
calendar After calculating the due date as described in Due date calculation, LN uses the following algorithm to determine the payment day:
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