Unless otherwise agreed upon in writing by the Parties, invoices will be payable within [specify number (digits) days/weeks/months] from the [specify timing] following the date of receipt on one of the bank account numbers mentioned on Supplier’s invoice.

Supplier shall invoice Customer for the Services rendered on the [specify numer (digits] day following the month during which the Services have been rendered.

Default interests of [specify percentage]% will automatically and without formal notice be payable for overdue invoices.

The Supplier is justified to annually index the agreed amounts/prices in accordance with the effective increase or decrease of the purchase prices and / or wages in accordance with the Belgian consumer price index.