If you manually connect an invoice to contract/invoice plan and to concrete period (see attached) the system does not accept this connection but starts a recalculation of the due date and that although period was chosen, due date of invoice = due date in invoice plan – so need to perform several deviation handling activities which are completely unnecessary (see document) – I think, if manual connection of invoice is done and due date of invoice = due date of invoice plan should be enough and no further deviation handling actions should be necessary

matching does not consider invoice due date from invoice when matching to invoice plan due date

matching does not work properly - if invoice due date on invoice = invoice due date in invoice history system does recalcluation based on payment terms and not taking the dates from invoice/plan into consideration