****** Design ****** The *Sale Invoice Date Module* introduces some new concepts and extends existing concepts. .. _model-sale.invoice.term: Invoice Term ============ The *Invoice Term* stores the method used to calculate the date of the invoice based on the moment the invoice is created. .. seealso:: Invoice terms are created and managed from the main menu item: |Sales --> Configuration --> Invoice Terms|__ .. |Sales --> Configuration --> Invoice Terms| replace:: :menuselection:`Sales --> Configuration --> Invoice Terms` __ https://demo.tryton.org/model/sale.invoice.term .. _model-sale.sale: Sale ==== The *Sale* concept is extended to store the `Invoice Term <model-sale.invoice.term>` from the `Party <party:model-party.party>` or the `Configuration <sale:model-sale.configuration>`. .. seealso:: The `Sale <sale:model-sale.sale>` concept is introduced by the :doc:`Sale Module <sale:index>`.